<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2024 Workiva-->
<!--r:1d2dc42f-b7e0-4c83-9162-1fe3d045e9e6,g:476faefe-9419-4d95-a0fd-59a57b9c2c29-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://airsculpt.elitebodysculpture.com/role/CondensedConsolidatedStatementsofChangesinStockholdersEquityUnaudited" xlink:type="simple" xlink:href="airs-20240630.xsd#CondensedConsolidatedStatementsofChangesinStockholdersEquityUnaudited"/>
  <link:definitionLink xlink:role="http://airsculpt.elitebodysculpture.com/role/CondensedConsolidatedStatementsofChangesinStockholdersEquityUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_41c94d32-d48c-4b53-a974-342e8bd0da23" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_c097ef07-fbf8-427f-aec2-c3196573b6b6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_41c94d32-d48c-4b53-a974-342e8bd0da23" xlink:to="loc_us-gaap_StatementTable_c097ef07-fbf8-427f-aec2-c3196573b6b6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_30379dac-04a6-4d91-99cb-cd0d5d0d60fb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_c097ef07-fbf8-427f-aec2-c3196573b6b6" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_30379dac-04a6-4d91-99cb-cd0d5d0d60fb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_30379dac-04a6-4d91-99cb-cd0d5d0d60fb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_30379dac-04a6-4d91-99cb-cd0d5d0d60fb" xlink:to="loc_us-gaap_EquityComponentDomain_30379dac-04a6-4d91-99cb-cd0d5d0d60fb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_7e9cad0e-c384-42bc-b3d4-b38dfdf3e98c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_30379dac-04a6-4d91-99cb-cd0d5d0d60fb" xlink:to="loc_us-gaap_EquityComponentDomain_7e9cad0e-c384-42bc-b3d4-b38dfdf3e98c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_5fa2c27d-bddf-4db1-9b0b-bef74f90515d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7e9cad0e-c384-42bc-b3d4-b38dfdf3e98c" xlink:to="loc_us-gaap_CommonStockMember_5fa2c27d-bddf-4db1-9b0b-bef74f90515d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_226c68b3-b986-4b90-a500-0fedd75bf550" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7e9cad0e-c384-42bc-b3d4-b38dfdf3e98c" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_226c68b3-b986-4b90-a500-0fedd75bf550" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_ae8e957b-5118-4116-a815-66e3b4a7ac46" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7e9cad0e-c384-42bc-b3d4-b38dfdf3e98c" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_ae8e957b-5118-4116-a815-66e3b4a7ac46" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_6c3c26b2-f29c-499b-9468-9c332080d364" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7e9cad0e-c384-42bc-b3d4-b38dfdf3e98c" xlink:to="loc_us-gaap_RetainedEarningsMember_6c3c26b2-f29c-499b-9468-9c332080d364" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7ea60fbb-0780-40fa-acb0-b778579b2679" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_41c94d32-d48c-4b53-a974-342e8bd0da23" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7ea60fbb-0780-40fa-acb0-b778579b2679" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesOutstanding_f2f7fee8-879a-4258-bddb-c1b8b77a0126" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7ea60fbb-0780-40fa-acb0-b778579b2679" xlink:to="loc_us-gaap_SharesOutstanding_f2f7fee8-879a-4258-bddb-c1b8b77a0126" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_fe911937-675f-4e7b-aeb1-f296ed763703" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7ea60fbb-0780-40fa-acb0-b778579b2679" xlink:to="loc_us-gaap_StockholdersEquity_fe911937-675f-4e7b-aeb1-f296ed763703" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_cb947e13-1ad0-453e-9003-f221715c48dc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesIssuedForServices"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7ea60fbb-0780-40fa-acb0-b778579b2679" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_cb947e13-1ad0-453e-9003-f221715c48dc" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueIssuedForServices_841be3d8-b2dd-4e4d-99ff-b77502f78ecb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueIssuedForServices"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7ea60fbb-0780-40fa-acb0-b778579b2679" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueIssuedForServices_841be3d8-b2dd-4e4d-99ff-b77502f78ecb" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalDividendsInExcessOfRetainedEarnings_730a34dc-4657-4e56-ac57-0a1810cf5a77" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalDividendsInExcessOfRetainedEarnings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7ea60fbb-0780-40fa-acb0-b778579b2679" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalDividendsInExcessOfRetainedEarnings_730a34dc-4657-4e56-ac57-0a1810cf5a77" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_a10aa7ce-96eb-4d22-b123-6ead54e41b0a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7ea60fbb-0780-40fa-acb0-b778579b2679" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_a10aa7ce-96eb-4d22-b123-6ead54e41b0a" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_c8549261-7e56-4fc4-835e-8450db3e932e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7ea60fbb-0780-40fa-acb0-b778579b2679" xlink:to="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_c8549261-7e56-4fc4-835e-8450db3e932e" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_5285fd3e-4967-435f-8deb-fa2a2af43c19" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7ea60fbb-0780-40fa-acb0-b778579b2679" xlink:to="loc_us-gaap_NetIncomeLoss_5285fd3e-4967-435f-8deb-fa2a2af43c19" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_9f4c205a-c303-4c96-8261-63d077d64e75" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7ea60fbb-0780-40fa-acb0-b778579b2679" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_9f4c205a-c303-4c96-8261-63d077d64e75" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesOutstanding_1f9bc08a-7289-4e7a-a55e-c7e623249348" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_0bb6372e-5e3c-4c9b-8a89-bd6c81ad60fa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_airs_AdjustmentsToAdditionalPaidInCapitalDecreaseFromDistributionsToParent_1c0ac9f9-6d5b-4f21-ad43-efcc0e48b83a" xlink:href="airs-20240630.xsd#airs_AdjustmentsToAdditionalPaidInCapitalDecreaseFromDistributionsToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_41c94d32-d48c-4b53-a974-342e8bd0da23" xlink:to="loc_airs_AdjustmentsToAdditionalPaidInCapitalDecreaseFromDistributionsToParent_1c0ac9f9-6d5b-4f21-ad43-efcc0e48b83a" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://airsculpt.elitebodysculpture.com/role/ORGANIZATIONANDSUMMARYOFKEYACCOUNTINGPOLICIESDetails" xlink:type="simple" xlink:href="airs-20240630.xsd#ORGANIZATIONANDSUMMARYOFKEYACCOUNTINGPOLICIESDetails"/>
  <link:definitionLink xlink:role="http://airsculpt.elitebodysculpture.com/role/ORGANIZATIONANDSUMMARYOFKEYACCOUNTINGPOLICIESDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiarySaleOfStockLineItems_afd1050d-d44a-4b14-8a87-92a0c28788e0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsidiarySaleOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeSaleOfStockBySubsidiaryOrEquityInvesteeTable_ccc18431-9112-4ee2-afc7-6721a4676a33" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsidiaryOrEquityMethodInvesteeSaleOfStockBySubsidiaryOrEquityInvesteeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_afd1050d-d44a-4b14-8a87-92a0c28788e0" xlink:to="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeSaleOfStockBySubsidiaryOrEquityInvesteeTable_ccc18431-9112-4ee2-afc7-6721a4676a33" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiarySaleOfStockAxis_5491a252-e07a-4f51-9ea9-91d24a0b28db" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsidiarySaleOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeSaleOfStockBySubsidiaryOrEquityInvesteeTable_ccc18431-9112-4ee2-afc7-6721a4676a33" xlink:to="loc_us-gaap_SubsidiarySaleOfStockAxis_5491a252-e07a-4f51-9ea9-91d24a0b28db" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_5491a252-e07a-4f51-9ea9-91d24a0b28db_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_5491a252-e07a-4f51-9ea9-91d24a0b28db" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_5491a252-e07a-4f51-9ea9-91d24a0b28db_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_a3b87e3f-7af5-44eb-839f-b024384790eb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_5491a252-e07a-4f51-9ea9-91d24a0b28db" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_a3b87e3f-7af5-44eb-839f-b024384790eb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IPOMember_9e07e844-f902-49e2-b156-8f3415b2b0b3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IPOMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_a3b87e3f-7af5-44eb-839f-b024384790eb" xlink:to="loc_us-gaap_IPOMember_9e07e844-f902-49e2-b156-8f3415b2b0b3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_d47a039e-d02b-4821-b4e7-b4385c9e0400" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeSaleOfStockBySubsidiaryOrEquityInvesteeTable_ccc18431-9112-4ee2-afc7-6721a4676a33" xlink:to="loc_srt_StatementGeographicalAxis_d47a039e-d02b-4821-b4e7-b4385c9e0400" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_d47a039e-d02b-4821-b4e7-b4385c9e0400_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_d47a039e-d02b-4821-b4e7-b4385c9e0400" xlink:to="loc_srt_SegmentGeographicalDomain_d47a039e-d02b-4821-b4e7-b4385c9e0400_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_5f6542f1-d9e2-48d4-8ef4-a5fbf16283b9" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_d47a039e-d02b-4821-b4e7-b4385c9e0400" xlink:to="loc_srt_SegmentGeographicalDomain_5f6542f1-d9e2-48d4-8ef4-a5fbf16283b9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonUsMember_56a46900-0c56-4a2a-84d7-994efd1bf4da" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NonUsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_5f6542f1-d9e2-48d4-8ef4-a5fbf16283b9" xlink:to="loc_us-gaap_NonUsMember_56a46900-0c56-4a2a-84d7-994efd1bf4da" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_fa5927f8-a790-462f-a5c1-7013f22e148e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_afd1050d-d44a-4b14-8a87-92a0c28788e0" xlink:to="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_fa5927f8-a790-462f-a5c1-7013f22e148e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockPricePerShare_8e5b86f9-fdee-424b-98b9-5bcbaba07a45" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockPricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_afd1050d-d44a-4b14-8a87-92a0c28788e0" xlink:to="loc_us-gaap_SaleOfStockPricePerShare_8e5b86f9-fdee-424b-98b9-5bcbaba07a45" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_5e9718f4-8050-4f68-ab20-2d98b34b1c32" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_afd1050d-d44a-4b14-8a87-92a0c28788e0" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_5e9718f4-8050-4f68-ab20-2d98b34b1c32" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_airs_BusinessReorganizationOwnershipInterest_831a84ba-e2ad-4546-9772-5ff6221ebdf5" xlink:href="airs-20240630.xsd#airs_BusinessReorganizationOwnershipInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_afd1050d-d44a-4b14-8a87-92a0c28788e0" xlink:to="loc_airs_BusinessReorganizationOwnershipInterest_831a84ba-e2ad-4546-9772-5ff6221ebdf5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_5da4ff0e-fad4-47d7-b384-c65f5ea67e06" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_afd1050d-d44a-4b14-8a87-92a0c28788e0" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_5da4ff0e-fad4-47d7-b384-c65f5ea67e06" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_6d921660-76a8-460e-8074-daf5cd280f84" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_afd1050d-d44a-4b14-8a87-92a0c28788e0" xlink:to="loc_us-gaap_NetIncomeLoss_6d921660-76a8-460e-8074-daf5cd280f84" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_c57b67a5-9693-4338-bce1-4ad8d6bc7444" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_afd1050d-d44a-4b14-8a87-92a0c28788e0" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_c57b67a5-9693-4338-bce1-4ad8d6bc7444" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_c67cec35-ed65-4037-87ac-8ba49d3ec05d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_afd1050d-d44a-4b14-8a87-92a0c28788e0" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_c67cec35-ed65-4037-87ac-8ba49d3ec05d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdvertisingExpense_1d1182cc-eb49-4e32-89b8-eb03a747c1f5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdvertisingExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_afd1050d-d44a-4b14-8a87-92a0c28788e0" xlink:to="loc_us-gaap_AdvertisingExpense_1d1182cc-eb49-4e32-89b8-eb03a747c1f5" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_ad597c19-8b0f-489d-9719-4d0ff09b5a11" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrecognizedTaxBenefits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_afd1050d-d44a-4b14-8a87-92a0c28788e0" xlink:to="loc_us-gaap_UnrecognizedTaxBenefits_ad597c19-8b0f-489d-9719-4d0ff09b5a11" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_c63ad5af-e7f1-4bb7-a1fa-d5b5fd93a1e4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_afd1050d-d44a-4b14-8a87-92a0c28788e0" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_c63ad5af-e7f1-4bb7-a1fa-d5b5fd93a1e4" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://airsculpt.elitebodysculpture.com/role/GOODWILLANDINTANGIBLESNETFiniteLivedIntangibleAssetsDetails" xlink:type="simple" xlink:href="airs-20240630.xsd#GOODWILLANDINTANGIBLESNETFiniteLivedIntangibleAssetsDetails"/>
  <link:definitionLink xlink:role="http://airsculpt.elitebodysculpture.com/role/GOODWILLANDINTANGIBLESNETFiniteLivedIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_8d28f119-a5d0-44c5-8013-037192fdeeb5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_1b392ad8-6012-4c99-adc3-b66dc3b6fa41" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_8d28f119-a5d0-44c5-8013-037192fdeeb5" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_1b392ad8-6012-4c99-adc3-b66dc3b6fa41" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_6cc1a7a5-6a63-45e3-8501-a4b3e9f7a2b5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_1b392ad8-6012-4c99-adc3-b66dc3b6fa41" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_6cc1a7a5-6a63-45e3-8501-a4b3e9f7a2b5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_6cc1a7a5-6a63-45e3-8501-a4b3e9f7a2b5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_6cc1a7a5-6a63-45e3-8501-a4b3e9f7a2b5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_6cc1a7a5-6a63-45e3-8501-a4b3e9f7a2b5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_379543aa-110d-431e-aa06-4c83304abf88" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_6cc1a7a5-6a63-45e3-8501-a4b3e9f7a2b5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_379543aa-110d-431e-aa06-4c83304abf88" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_4302f053-9904-4dd2-b647-032ba7a07c23" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TechnologyBasedIntangibleAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_379543aa-110d-431e-aa06-4c83304abf88" xlink:to="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_4302f053-9904-4dd2-b647-032ba7a07c23" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TrademarksAndTradeNamesMember_c3874e6d-4c0d-4ed0-b5c2-f52bd782282f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TrademarksAndTradeNamesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_379543aa-110d-431e-aa06-4c83304abf88" xlink:to="loc_us-gaap_TrademarksAndTradeNamesMember_c3874e6d-4c0d-4ed0-b5c2-f52bd782282f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_88afb976-fbf0-4c94-bfbc-ba8b9ddfc432" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_8d28f119-a5d0-44c5-8013-037192fdeeb5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_88afb976-fbf0-4c94-bfbc-ba8b9ddfc432" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_905d94d8-90e2-425a-a07d-177516200120" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_8d28f119-a5d0-44c5-8013-037192fdeeb5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_905d94d8-90e2-425a-a07d-177516200120" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_9218e73b-1d55-4688-826a-542c3ac8c7b3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_8d28f119-a5d0-44c5-8013-037192fdeeb5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_9218e73b-1d55-4688-826a-542c3ac8c7b3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_82326004-bd49-41a9-8073-7d5562583bc7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_8d28f119-a5d0-44c5-8013-037192fdeeb5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_82326004-bd49-41a9-8073-7d5562583bc7" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://airsculpt.elitebodysculpture.com/role/PROPERTYANDEQUIPMENTNETScheduleofPropertyandEquipmentNetDetails" xlink:type="simple" xlink:href="airs-20240630.xsd#PROPERTYANDEQUIPMENTNETScheduleofPropertyandEquipmentNetDetails"/>
  <link:definitionLink xlink:role="http://airsculpt.elitebodysculpture.com/role/PROPERTYANDEQUIPMENTNETScheduleofPropertyandEquipmentNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6b58230b-9bd7-42ee-a5cd-caf3b7797f85" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_fe774467-da51-4985-9cfa-0338458fe59a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6b58230b-9bd7-42ee-a5cd-caf3b7797f85" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_fe774467-da51-4985-9cfa-0338458fe59a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_3019d0f0-114c-435f-a8a9-020bf01499c9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_fe774467-da51-4985-9cfa-0338458fe59a" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_3019d0f0-114c-435f-a8a9-020bf01499c9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_3019d0f0-114c-435f-a8a9-020bf01499c9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_3019d0f0-114c-435f-a8a9-020bf01499c9" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_3019d0f0-114c-435f-a8a9-020bf01499c9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_363970df-baf6-4b23-98c0-447a1446aecb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_3019d0f0-114c-435f-a8a9-020bf01499c9" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_363970df-baf6-4b23-98c0-447a1446aecb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquipmentMember_741b4362-2611-4ba3-9884-b9901acf9486" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_363970df-baf6-4b23-98c0-447a1446aecb" xlink:to="loc_us-gaap_EquipmentMember_741b4362-2611-4ba3-9884-b9901acf9486" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherMachineryAndEquipmentMember_e4785788-0033-4817-8dd3-258b324617b3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherMachineryAndEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_363970df-baf6-4b23-98c0-447a1446aecb" xlink:to="loc_us-gaap_OtherMachineryAndEquipmentMember_e4785788-0033-4817-8dd3-258b324617b3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FurnitureAndFixturesMember_dc5dac1d-808c-409f-8e7d-fc7d860e65db" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FurnitureAndFixturesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_363970df-baf6-4b23-98c0-447a1446aecb" xlink:to="loc_us-gaap_FurnitureAndFixturesMember_dc5dac1d-808c-409f-8e7d-fc7d860e65db" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseholdImprovementsMember_aa21d3f8-8ac2-4b34-9431-02a0e6435346" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LeaseholdImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_363970df-baf6-4b23-98c0-447a1446aecb" xlink:to="loc_us-gaap_LeaseholdImprovementsMember_aa21d3f8-8ac2-4b34-9431-02a0e6435346" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressMember_c4820ce8-178c-4c2f-ba57-d4f66607d14f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConstructionInProgressMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_363970df-baf6-4b23-98c0-447a1446aecb" xlink:to="loc_us-gaap_ConstructionInProgressMember_c4820ce8-178c-4c2f-ba57-d4f66607d14f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_f821623e-1038-4abc-a685-335452722230" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6b58230b-9bd7-42ee-a5cd-caf3b7797f85" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_f821623e-1038-4abc-a685-335452722230" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_a759b0b4-bfc0-4430-a558-22ae4d54a7cc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6b58230b-9bd7-42ee-a5cd-caf3b7797f85" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_a759b0b4-bfc0-4430-a558-22ae4d54a7cc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_7bda9a18-e38b-466b-b636-a76d194682eb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6b58230b-9bd7-42ee-a5cd-caf3b7797f85" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_7bda9a18-e38b-466b-b636-a76d194682eb" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://airsculpt.elitebodysculpture.com/role/DEBTNarrativeDetails" xlink:type="simple" xlink:href="airs-20240630.xsd#DEBTNarrativeDetails"/>
  <link:definitionLink xlink:role="http://airsculpt.elitebodysculpture.com/role/DEBTNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_cbb85293-b67f-4942-9d93-ad46a5a9bf40" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_c1a5f608-566b-4791-a6c8-c0995f158d4d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_cbb85293-b67f-4942-9d93-ad46a5a9bf40" xlink:to="loc_us-gaap_DebtInstrumentTable_c1a5f608-566b-4791-a6c8-c0995f158d4d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_0aff5168-dae3-4da5-88e7-7777b8eb4168" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_c1a5f608-566b-4791-a6c8-c0995f158d4d" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_0aff5168-dae3-4da5-88e7-7777b8eb4168" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_0aff5168-dae3-4da5-88e7-7777b8eb4168_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_0aff5168-dae3-4da5-88e7-7777b8eb4168" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_0aff5168-dae3-4da5-88e7-7777b8eb4168_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_0de84a4c-5a5d-4f30-b78d-a010a4ded4be" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_0aff5168-dae3-4da5-88e7-7777b8eb4168" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_0de84a4c-5a5d-4f30-b78d-a010a4ded4be" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_57aeaf04-8e2e-4ce9-bc91-e4deb8e75ff8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0de84a4c-5a5d-4f30-b78d-a010a4ded4be" xlink:to="loc_us-gaap_SecuredDebtMember_57aeaf04-8e2e-4ce9-bc91-e4deb8e75ff8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_e6276480-fd6e-408c-aee6-c66c20a2b9ab" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0de84a4c-5a5d-4f30-b78d-a010a4ded4be" xlink:to="loc_us-gaap_LineOfCreditMember_e6276480-fd6e-408c-aee6-c66c20a2b9ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_cb71d20a-0fdb-4ea9-a36f-36ea4e5ff148" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_c1a5f608-566b-4791-a6c8-c0995f158d4d" xlink:to="loc_us-gaap_DebtInstrumentAxis_cb71d20a-0fdb-4ea9-a36f-36ea4e5ff148" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_cb71d20a-0fdb-4ea9-a36f-36ea4e5ff148_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_cb71d20a-0fdb-4ea9-a36f-36ea4e5ff148" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_cb71d20a-0fdb-4ea9-a36f-36ea4e5ff148_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_64f8a3c5-94fa-4bad-a533-6d7c31241232" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_cb71d20a-0fdb-4ea9-a36f-36ea4e5ff148" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_64f8a3c5-94fa-4bad-a533-6d7c31241232" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_airs_A2022CreditAgreementMember_16a5200a-a749-4a4b-babf-7f702d5f4f02" xlink:href="airs-20240630.xsd#airs_A2022CreditAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_64f8a3c5-94fa-4bad-a533-6d7c31241232" xlink:to="loc_airs_A2022CreditAgreementMember_16a5200a-a749-4a4b-babf-7f702d5f4f02" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_airs_A2018CreditAgreementMember_be55928c-c5b4-41c6-8ee9-68cbb767f063" xlink:href="airs-20240630.xsd#airs_A2018CreditAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_64f8a3c5-94fa-4bad-a533-6d7c31241232" xlink:to="loc_airs_A2018CreditAgreementMember_be55928c-c5b4-41c6-8ee9-68cbb767f063" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_67a7ae21-c99d-4171-949a-60e18ff51d84" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_c1a5f608-566b-4791-a6c8-c0995f158d4d" xlink:to="loc_us-gaap_CreditFacilityAxis_67a7ae21-c99d-4171-949a-60e18ff51d84" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_67a7ae21-c99d-4171-949a-60e18ff51d84_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_67a7ae21-c99d-4171-949a-60e18ff51d84" xlink:to="loc_us-gaap_CreditFacilityDomain_67a7ae21-c99d-4171-949a-60e18ff51d84_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_84acaea8-7972-43df-b648-d9468880d0fa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_67a7ae21-c99d-4171-949a-60e18ff51d84" xlink:to="loc_us-gaap_CreditFacilityDomain_84acaea8-7972-43df-b648-d9468880d0fa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_a8e2c037-57c1-4388-9893-78f3aedb945b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_84acaea8-7972-43df-b648-d9468880d0fa" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_a8e2c037-57c1-4388-9893-78f3aedb945b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_airs_DebtInstrumentTriggeringEventAxis_94d4f960-6020-4c8b-83cd-9bb4ad90cfc4" xlink:href="airs-20240630.xsd#airs_DebtInstrumentTriggeringEventAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_c1a5f608-566b-4791-a6c8-c0995f158d4d" xlink:to="loc_airs_DebtInstrumentTriggeringEventAxis_94d4f960-6020-4c8b-83cd-9bb4ad90cfc4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_airs_DebtInstrumentTriggeringEventDomain_94d4f960-6020-4c8b-83cd-9bb4ad90cfc4_default" xlink:href="airs-20240630.xsd#airs_DebtInstrumentTriggeringEventDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_airs_DebtInstrumentTriggeringEventAxis_94d4f960-6020-4c8b-83cd-9bb4ad90cfc4" xlink:to="loc_airs_DebtInstrumentTriggeringEventDomain_94d4f960-6020-4c8b-83cd-9bb4ad90cfc4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_airs_DebtInstrumentTriggeringEventDomain_36d5202c-1dad-4f95-ab2c-1455f95c4b3d" xlink:href="airs-20240630.xsd#airs_DebtInstrumentTriggeringEventDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_airs_DebtInstrumentTriggeringEventAxis_94d4f960-6020-4c8b-83cd-9bb4ad90cfc4" xlink:to="loc_airs_DebtInstrumentTriggeringEventDomain_36d5202c-1dad-4f95-ab2c-1455f95c4b3d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_airs_DebtInstrumentTriggeringEventOneMember_37bfb768-2d82-4ab5-9d41-c83e34fa9154" xlink:href="airs-20240630.xsd#airs_DebtInstrumentTriggeringEventOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_airs_DebtInstrumentTriggeringEventDomain_36d5202c-1dad-4f95-ab2c-1455f95c4b3d" xlink:to="loc_airs_DebtInstrumentTriggeringEventOneMember_37bfb768-2d82-4ab5-9d41-c83e34fa9154" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_airs_DebtInstrumentTriggeringEventTwoMember_16b39537-41e4-42a9-b5f9-b0047c7a586c" xlink:href="airs-20240630.xsd#airs_DebtInstrumentTriggeringEventTwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_airs_DebtInstrumentTriggeringEventDomain_36d5202c-1dad-4f95-ab2c-1455f95c4b3d" xlink:to="loc_airs_DebtInstrumentTriggeringEventTwoMember_16b39537-41e4-42a9-b5f9-b0047c7a586c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_airs_DebtInstrumentTriggeringEventThreeMember_2cb658d2-0512-412f-ae34-2fd3f0e4ea88" xlink:href="airs-20240630.xsd#airs_DebtInstrumentTriggeringEventThreeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_airs_DebtInstrumentTriggeringEventDomain_36d5202c-1dad-4f95-ab2c-1455f95c4b3d" xlink:to="loc_airs_DebtInstrumentTriggeringEventThreeMember_2cb658d2-0512-412f-ae34-2fd3f0e4ea88" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_b0fc124f-7f90-4ea4-9150-e6de49c9f6b7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_c1a5f608-566b-4791-a6c8-c0995f158d4d" xlink:to="loc_us-gaap_VariableRateAxis_b0fc124f-7f90-4ea4-9150-e6de49c9f6b7" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_b0fc124f-7f90-4ea4-9150-e6de49c9f6b7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_b0fc124f-7f90-4ea4-9150-e6de49c9f6b7" xlink:to="loc_us-gaap_VariableRateDomain_b0fc124f-7f90-4ea4-9150-e6de49c9f6b7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_dd8fb25d-fabe-4035-bf42-09bb77d87944" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_b0fc124f-7f90-4ea4-9150-e6de49c9f6b7" xlink:to="loc_us-gaap_VariableRateDomain_dd8fb25d-fabe-4035-bf42-09bb77d87944" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BaseRateMember_e29b7e88-0b72-4d09-a050-cbd350b56696" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BaseRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_dd8fb25d-fabe-4035-bf42-09bb77d87944" xlink:to="loc_us-gaap_BaseRateMember_e29b7e88-0b72-4d09-a050-cbd350b56696" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_ae142e90-f280-46fe-8a14-7647c0ecbf5a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SecuredOvernightFinancingRateSofrMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_dd8fb25d-fabe-4035-bf42-09bb77d87944" xlink:to="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_ae142e90-f280-46fe-8a14-7647c0ecbf5a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_69a135b5-75cd-4b15-be1c-f8de0e4fce1e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_cbb85293-b67f-4942-9d93-ad46a5a9bf40" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_69a135b5-75cd-4b15-be1c-f8de0e4fce1e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_6897c4ac-cff4-401f-b380-4e8bc1b5fdba" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_cbb85293-b67f-4942-9d93-ad46a5a9bf40" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_6897c4ac-cff4-401f-b380-4e8bc1b5fdba" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRepaidPrincipal_20c6abef-421e-425f-a3b0-ba8d9fa1b618" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentRepaidPrincipal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_cbb85293-b67f-4942-9d93-ad46a5a9bf40" xlink:to="loc_us-gaap_DebtInstrumentRepaidPrincipal_20c6abef-421e-425f-a3b0-ba8d9fa1b618" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_2523fa71-60c9-4844-9cd0-a1a89bcb7fd2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_cbb85293-b67f-4942-9d93-ad46a5a9bf40" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_2523fa71-60c9-4844-9cd0-a1a89bcb7fd2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_airs_DebtInstrumentCovenantTriggeringEventLeverageRatioMaximum_7814c2da-9c85-403a-869c-4c23062ea3c5" xlink:href="airs-20240630.xsd#airs_DebtInstrumentCovenantTriggeringEventLeverageRatioMaximum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_cbb85293-b67f-4942-9d93-ad46a5a9bf40" xlink:to="loc_airs_DebtInstrumentCovenantTriggeringEventLeverageRatioMaximum_7814c2da-9c85-403a-869c-4c23062ea3c5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_airs_DebtInstrumentCovenantTriggeringEventLeverageRatioMinimum_a1af60c2-4209-4fe6-9ef5-9cff4696c3cd" xlink:href="airs-20240630.xsd#airs_DebtInstrumentCovenantTriggeringEventLeverageRatioMinimum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_cbb85293-b67f-4942-9d93-ad46a5a9bf40" xlink:to="loc_airs_DebtInstrumentCovenantTriggeringEventLeverageRatioMinimum_a1af60c2-4209-4fe6-9ef5-9cff4696c3cd" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_841888ee-6498-4e93-ad4f-7791ea3f74b4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_cbb85293-b67f-4942-9d93-ad46a5a9bf40" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_841888ee-6498-4e93-ad4f-7791ea3f74b4" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_d1c1fc3f-3321-4653-8e0f-f3e3dc1d2ebf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_cbb85293-b67f-4942-9d93-ad46a5a9bf40" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_d1c1fc3f-3321-4653-8e0f-f3e3dc1d2ebf" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_278b2d2d-d791-4d72-9afd-df29d1a214a9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LettersOfCreditOutstandingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_cbb85293-b67f-4942-9d93-ad46a5a9bf40" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_278b2d2d-d791-4d72-9afd-df29d1a214a9" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://airsculpt.elitebodysculpture.com/role/DEBTLongtermDebtNetDetails" xlink:type="simple" xlink:href="airs-20240630.xsd#DEBTLongtermDebtNetDetails"/>
  <link:definitionLink xlink:role="http://airsculpt.elitebodysculpture.com/role/DEBTLongtermDebtNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_7825ae6d-8b34-4f11-97c8-abd783c5cfac" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_81b62b37-75e7-443c-8011-6abf97a0792e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_7825ae6d-8b34-4f11-97c8-abd783c5cfac" xlink:to="loc_us-gaap_DebtInstrumentTable_81b62b37-75e7-443c-8011-6abf97a0792e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_ffc35d0e-25ae-47d0-8978-f7fafe6d76f4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_81b62b37-75e7-443c-8011-6abf97a0792e" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_ffc35d0e-25ae-47d0-8978-f7fafe6d76f4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_ffc35d0e-25ae-47d0-8978-f7fafe6d76f4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_ffc35d0e-25ae-47d0-8978-f7fafe6d76f4" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_ffc35d0e-25ae-47d0-8978-f7fafe6d76f4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_9db56157-a3fc-496e-bc6f-5cd20fac4946" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_ffc35d0e-25ae-47d0-8978-f7fafe6d76f4" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_9db56157-a3fc-496e-bc6f-5cd20fac4946" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_6476843c-6ed4-45c9-94bd-c4be111b5f50" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_9db56157-a3fc-496e-bc6f-5cd20fac4946" xlink:to="loc_us-gaap_SecuredDebtMember_6476843c-6ed4-45c9-94bd-c4be111b5f50" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_adc9a327-e39d-4e0a-8d49-db74de4196ed" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_7825ae6d-8b34-4f11-97c8-abd783c5cfac" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_adc9a327-e39d-4e0a-8d49-db74de4196ed" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_4a4de06f-4644-4787-aa3e-525afd976a2d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_7825ae6d-8b34-4f11-97c8-abd783c5cfac" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_4a4de06f-4644-4787-aa3e-525afd976a2d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_0aba3999-c4de-43eb-9c8b-12a252834012" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_7825ae6d-8b34-4f11-97c8-abd783c5cfac" xlink:to="loc_us-gaap_LongTermDebt_0aba3999-c4de-43eb-9c8b-12a252834012" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_269dd36e-169e-4305-af56-de5508d87e61" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_7825ae6d-8b34-4f11-97c8-abd783c5cfac" xlink:to="loc_us-gaap_LongTermDebtCurrent_269dd36e-169e-4305-af56-de5508d87e61" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_fd7b8628-cceb-420b-ba98-6b7b36f4b2c4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_7825ae6d-8b34-4f11-97c8-abd783c5cfac" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_fd7b8628-cceb-420b-ba98-6b7b36f4b2c4" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://airsculpt.elitebodysculpture.com/role/LEASESNarrativeDetails" xlink:type="simple" xlink:href="airs-20240630.xsd#LEASESNarrativeDetails"/>
  <link:definitionLink xlink:role="http://airsculpt.elitebodysculpture.com/role/LEASESNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionLineItems_246f1599-110e-4f38-9fc6-c742e94f7bbc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeLeaseDescriptionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionTable_ea5cd70f-508a-4079-a9de-3826ddc11c8f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeLeaseDescriptionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_246f1599-110e-4f38-9fc6-c742e94f7bbc" xlink:to="loc_us-gaap_LesseeLeaseDescriptionTable_ea5cd70f-508a-4079-a9de-3826ddc11c8f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_caec0166-5231-4e05-8732-09f753c32fa1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_ea5cd70f-508a-4079-a9de-3826ddc11c8f" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_caec0166-5231-4e05-8732-09f753c32fa1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_caec0166-5231-4e05-8732-09f753c32fa1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_caec0166-5231-4e05-8732-09f753c32fa1" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_caec0166-5231-4e05-8732-09f753c32fa1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_66bcfbb7-98ad-4985-8a71-332630edbc49" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_caec0166-5231-4e05-8732-09f753c32fa1" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_66bcfbb7-98ad-4985-8a71-332630edbc49" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OfficeBuildingMember_ef5ad422-7081-4367-a542-d42ec28b705b" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_OfficeBuildingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_66bcfbb7-98ad-4985-8a71-332630edbc49" xlink:to="loc_srt_OfficeBuildingMember_ef5ad422-7081-4367-a542-d42ec28b705b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingMember_d394fb26-7639-44c1-8011-3518dd3486b2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BuildingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_66bcfbb7-98ad-4985-8a71-332630edbc49" xlink:to="loc_us-gaap_BuildingMember_d394fb26-7639-44c1-8011-3518dd3486b2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_b65bd976-06af-4938-a3f0-72111380936c" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_ea5cd70f-508a-4079-a9de-3826ddc11c8f" xlink:to="loc_srt_RangeAxis_b65bd976-06af-4938-a3f0-72111380936c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_b65bd976-06af-4938-a3f0-72111380936c_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_b65bd976-06af-4938-a3f0-72111380936c" xlink:to="loc_srt_RangeMember_b65bd976-06af-4938-a3f0-72111380936c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_bfc530d1-21cf-4082-b60a-aa2f988dc930" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_b65bd976-06af-4938-a3f0-72111380936c" xlink:to="loc_srt_RangeMember_bfc530d1-21cf-4082-b60a-aa2f988dc930" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_5ac622d7-a429-4fe8-9403-5c1af84b4f90" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_bfc530d1-21cf-4082-b60a-aa2f988dc930" xlink:to="loc_srt_MinimumMember_5ac622d7-a429-4fe8-9403-5c1af84b4f90" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_3ab7d375-a73b-4c3a-87c9-21ed04f2fc66" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_bfc530d1-21cf-4082-b60a-aa2f988dc930" xlink:to="loc_srt_MaximumMember_3ab7d375-a73b-4c3a-87c9-21ed04f2fc66" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseExpense_05c1b0e9-7eed-42be-8981-0b1271ab4f17" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_246f1599-110e-4f38-9fc6-c742e94f7bbc" xlink:to="loc_us-gaap_OperatingLeaseExpense_05c1b0e9-7eed-42be-8981-0b1271ab4f17" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseTermOfContract_171820a6-4e15-4854-b4ba-593384987355" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseTermOfContract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_246f1599-110e-4f38-9fc6-c742e94f7bbc" xlink:to="loc_us-gaap_LesseeOperatingLeaseTermOfContract_171820a6-4e15-4854-b4ba-593384987355" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_airs_LesseeOperatingLeaseNumberOfRenewalOptions_72de050f-4a58-4fc7-929b-2e10e476de22" xlink:href="airs-20240630.xsd#airs_LesseeOperatingLeaseNumberOfRenewalOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_246f1599-110e-4f38-9fc6-c742e94f7bbc" xlink:to="loc_airs_LesseeOperatingLeaseNumberOfRenewalOptions_72de050f-4a58-4fc7-929b-2e10e476de22" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://airsculpt.elitebodysculpture.com/role/STOCKHOLDERSEQUITYANDEQUITYBASEDCOMPENSATIONNarrativeDetails" xlink:type="simple" xlink:href="airs-20240630.xsd#STOCKHOLDERSEQUITYANDEQUITYBASEDCOMPENSATIONNarrativeDetails"/>
  <link:definitionLink xlink:role="http://airsculpt.elitebodysculpture.com/role/STOCKHOLDERSEQUITYANDEQUITYBASEDCOMPENSATIONNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3d8e5db4-a696-4f8c-a1d0-b7bf5d0ba236" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ff21f0c5-8a2b-4e89-86ab-203632190391" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3d8e5db4-a696-4f8c-a1d0-b7bf5d0ba236" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ff21f0c5-8a2b-4e89-86ab-203632190391" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualAxis_f922c1a3-1d36-46e2-8585-6c78f394693e" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_TitleOfIndividualAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ff21f0c5-8a2b-4e89-86ab-203632190391" xlink:to="loc_srt_TitleOfIndividualAxis_f922c1a3-1d36-46e2-8585-6c78f394693e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_f922c1a3-1d36-46e2-8585-6c78f394693e_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_TitleOfIndividualAxis_f922c1a3-1d36-46e2-8585-6c78f394693e" xlink:to="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_f922c1a3-1d36-46e2-8585-6c78f394693e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_06dbc4c8-ee4d-43d0-8336-6f939b4e2b4d" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_TitleOfIndividualAxis_f922c1a3-1d36-46e2-8585-6c78f394693e" xlink:to="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_06dbc4c8-ee4d-43d0-8336-6f939b4e2b4d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_airs_ExecutiveOfficersAndEmployeesMember_40f984ec-ae36-4095-982b-078ebac15ad1" xlink:href="airs-20240630.xsd#airs_ExecutiveOfficersAndEmployeesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_06dbc4c8-ee4d-43d0-8336-6f939b4e2b4d" xlink:to="loc_airs_ExecutiveOfficersAndEmployeesMember_40f984ec-ae36-4095-982b-078ebac15ad1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_864d7719-7956-451b-99cb-a95119f8fe85" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ff21f0c5-8a2b-4e89-86ab-203632190391" xlink:to="loc_us-gaap_AwardTypeAxis_864d7719-7956-451b-99cb-a95119f8fe85" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_864d7719-7956-451b-99cb-a95119f8fe85_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_864d7719-7956-451b-99cb-a95119f8fe85" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_864d7719-7956-451b-99cb-a95119f8fe85_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2051f196-1c63-4bd8-8269-d1807d87b8e5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_864d7719-7956-451b-99cb-a95119f8fe85" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2051f196-1c63-4bd8-8269-d1807d87b8e5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_c00606c9-0579-4c3b-8677-7f9141e765e4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2051f196-1c63-4bd8-8269-d1807d87b8e5" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_c00606c9-0579-4c3b-8677-7f9141e765e4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_airs_MarketBasedPerformanceSharesMember_aa7c99ce-f3e4-4eda-964f-9b40cabbe753" xlink:href="airs-20240630.xsd#airs_MarketBasedPerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2051f196-1c63-4bd8-8269-d1807d87b8e5" xlink:to="loc_airs_MarketBasedPerformanceSharesMember_aa7c99ce-f3e4-4eda-964f-9b40cabbe753" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameAxis_dec1d561-60ef-4d23-bc56-dfb1476d0f99" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ff21f0c5-8a2b-4e89-86ab-203632190391" xlink:to="loc_us-gaap_PlanNameAxis_dec1d561-60ef-4d23-bc56-dfb1476d0f99" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_dec1d561-60ef-4d23-bc56-dfb1476d0f99_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_dec1d561-60ef-4d23-bc56-dfb1476d0f99" xlink:to="loc_us-gaap_PlanNameDomain_dec1d561-60ef-4d23-bc56-dfb1476d0f99_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_b2fb63d9-c0e0-4d1b-8d82-bf13c3141a7c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_dec1d561-60ef-4d23-bc56-dfb1476d0f99" xlink:to="loc_us-gaap_PlanNameDomain_b2fb63d9-c0e0-4d1b-8d82-bf13c3141a7c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_airs_EquityIncentivePlan2021Member_2b1e8900-5478-40c0-b790-738be9b3c0ca" xlink:href="airs-20240630.xsd#airs_EquityIncentivePlan2021Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_b2fb63d9-c0e0-4d1b-8d82-bf13c3141a7c" xlink:to="loc_airs_EquityIncentivePlan2021Member_2b1e8900-5478-40c0-b790-738be9b3c0ca" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_94f99e46-5b6f-4892-b93a-d089775a0aca" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ff21f0c5-8a2b-4e89-86ab-203632190391" xlink:to="loc_srt_RangeAxis_94f99e46-5b6f-4892-b93a-d089775a0aca" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_94f99e46-5b6f-4892-b93a-d089775a0aca_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_94f99e46-5b6f-4892-b93a-d089775a0aca" xlink:to="loc_srt_RangeMember_94f99e46-5b6f-4892-b93a-d089775a0aca_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_21a8aae4-f4f1-4c78-9771-859fb16706de" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_94f99e46-5b6f-4892-b93a-d089775a0aca" xlink:to="loc_srt_RangeMember_21a8aae4-f4f1-4c78-9771-859fb16706de" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_e8155c79-0f0d-4fca-9035-c9bad980ddd2" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_21a8aae4-f4f1-4c78-9771-859fb16706de" xlink:to="loc_srt_MinimumMember_e8155c79-0f0d-4fca-9035-c9bad980ddd2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_19d30a11-e9a8-4bf3-a036-1127588d7ca6" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_21a8aae4-f4f1-4c78-9771-859fb16706de" xlink:to="loc_srt_MaximumMember_19d30a11-e9a8-4bf3-a036-1127588d7ca6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingAxis_11fe33ac-95a5-4318-b83a-b983d71f8ccc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VestingAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ff21f0c5-8a2b-4e89-86ab-203632190391" xlink:to="loc_us-gaap_VestingAxis_11fe33ac-95a5-4318-b83a-b983d71f8ccc" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_11fe33ac-95a5-4318-b83a-b983d71f8ccc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VestingAxis_11fe33ac-95a5-4318-b83a-b983d71f8ccc" xlink:to="loc_us-gaap_VestingDomain_11fe33ac-95a5-4318-b83a-b983d71f8ccc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_d3c6d51e-2778-4424-ba39-65f6268c41cf" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VestingAxis_11fe33ac-95a5-4318-b83a-b983d71f8ccc" xlink:to="loc_us-gaap_VestingDomain_d3c6d51e-2778-4424-ba39-65f6268c41cf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_f7c236f8-061f-4d87-80fa-9e95938c13e0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_d3c6d51e-2778-4424-ba39-65f6268c41cf" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_f7c236f8-061f-4d87-80fa-9e95938c13e0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_47aec61e-2b1f-491d-ae0f-0def194c979d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_d3c6d51e-2778-4424-ba39-65f6268c41cf" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_47aec61e-2b1f-491d-ae0f-0def194c979d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheThreeMember_f51c895d-6a12-45d3-85d1-2e6f0ec31eaa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationAwardTrancheThreeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_d3c6d51e-2778-4424-ba39-65f6268c41cf" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheThreeMember_f51c895d-6a12-45d3-85d1-2e6f0ec31eaa" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_f23e0522-dbff-4c51-b1c5-947aaaf1a618" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3d8e5db4-a696-4f8c-a1d0-b7bf5d0ba236" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_f23e0522-dbff-4c51-b1c5-947aaaf1a618" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_ca5d7cce-78d3-4bf1-b12f-57a71625453c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3d8e5db4-a696-4f8c-a1d0-b7bf5d0ba236" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_ca5d7cce-78d3-4bf1-b12f-57a71625453c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_airs_ShareBasedCompensationArrangementByShareBasedPaymentAwardRelativeTotalShareholderReturnAwardSettlementPercentage_20cbc5b6-639e-4a72-88e2-0bf435209c9f" xlink:href="airs-20240630.xsd#airs_ShareBasedCompensationArrangementByShareBasedPaymentAwardRelativeTotalShareholderReturnAwardSettlementPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3d8e5db4-a696-4f8c-a1d0-b7bf5d0ba236" xlink:to="loc_airs_ShareBasedCompensationArrangementByShareBasedPaymentAwardRelativeTotalShareholderReturnAwardSettlementPercentage_20cbc5b6-639e-4a72-88e2-0bf435209c9f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_496c010b-0a67-4d0c-9f1c-17a15c5a5a6e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3d8e5db4-a696-4f8c-a1d0-b7bf5d0ba236" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_496c010b-0a67-4d0c-9f1c-17a15c5a5a6e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_airs_ShareBasedPaymentArrangementPerformanceAchievementProbabilityReversalOfExpense_0cd80330-b12c-4db1-b0c7-8c0e0ba09a6a" xlink:href="airs-20240630.xsd#airs_ShareBasedPaymentArrangementPerformanceAchievementProbabilityReversalOfExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3d8e5db4-a696-4f8c-a1d0-b7bf5d0ba236" xlink:to="loc_airs_ShareBasedPaymentArrangementPerformanceAchievementProbabilityReversalOfExpense_0cd80330-b12c-4db1-b0c7-8c0e0ba09a6a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_907a84db-d260-4d6c-887c-987bc9e16cf4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3d8e5db4-a696-4f8c-a1d0-b7bf5d0ba236" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_907a84db-d260-4d6c-887c-987bc9e16cf4" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividends_8c01cf1d-3af2-4aaf-9c81-e2aa24791236" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsOfDividends"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_3d8e5db4-a696-4f8c-a1d0-b7bf5d0ba236" xlink:to="loc_us-gaap_PaymentsOfDividends_8c01cf1d-3af2-4aaf-9c81-e2aa24791236" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://airsculpt.elitebodysculpture.com/role/EARNINGSPERSHAREAntidilutiveSecuritiesExcludedfromComputationofEarningsPerShareDetails" xlink:type="simple" xlink:href="airs-20240630.xsd#EARNINGSPERSHAREAntidilutiveSecuritiesExcludedfromComputationofEarningsPerShareDetails"/>
  <link:definitionLink xlink:role="http://airsculpt.elitebodysculpture.com/role/EARNINGSPERSHAREAntidilutiveSecuritiesExcludedfromComputationofEarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_0e264733-7b7f-4ad6-93f5-13573d5f3d7f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_0912c0d6-ad06-4339-aeca-54073ad3876e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_0e264733-7b7f-4ad6-93f5-13573d5f3d7f" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_0912c0d6-ad06-4339-aeca-54073ad3876e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_351a8aea-8f56-4ebb-968e-a5a27febced2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_0912c0d6-ad06-4339-aeca-54073ad3876e" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_351a8aea-8f56-4ebb-968e-a5a27febced2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_351a8aea-8f56-4ebb-968e-a5a27febced2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_351a8aea-8f56-4ebb-968e-a5a27febced2" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_351a8aea-8f56-4ebb-968e-a5a27febced2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_3990518d-4201-4bbc-93a4-55126f4ab4b1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_351a8aea-8f56-4ebb-968e-a5a27febced2" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_3990518d-4201-4bbc-93a4-55126f4ab4b1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_3be5b36e-b5d9-4bbe-89ec-c464e68ad6d5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_3990518d-4201-4bbc-93a4-55126f4ab4b1" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_3be5b36e-b5d9-4bbe-89ec-c464e68ad6d5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_airs_PerformanceAndMarketBasedPerformanceSharesMember_aee82dc1-7387-4aca-9633-c7a3af75743b" xlink:href="airs-20240630.xsd#airs_PerformanceAndMarketBasedPerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_3990518d-4201-4bbc-93a4-55126f4ab4b1" xlink:to="loc_airs_PerformanceAndMarketBasedPerformanceSharesMember_aee82dc1-7387-4aca-9633-c7a3af75743b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_0da2d285-545b-46d3-9978-d791625731a2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_0e264733-7b7f-4ad6-93f5-13573d5f3d7f" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_0da2d285-545b-46d3-9978-d791625731a2" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://airsculpt.elitebodysculpture.com/role/SUBSEQUENTEVENTSDetails" xlink:type="simple" xlink:href="airs-20240630.xsd#SUBSEQUENTEVENTSDetails"/>
  <link:definitionLink xlink:role="http://airsculpt.elitebodysculpture.com/role/SUBSEQUENTEVENTSDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventLineItems_6dd5aeab-4574-4f77-8492-3c3616bf814c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTable_5d2de377-9563-4001-9dc5-e5ada32c0a24" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsequentEventLineItems_6dd5aeab-4574-4f77-8492-3c3616bf814c" xlink:to="loc_us-gaap_SubsequentEventTable_5d2de377-9563-4001-9dc5-e5ada32c0a24" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseAxis_b90535f4-ddde-4fd4-aff5-24dbd2d8e137" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_LitigationCaseAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_5d2de377-9563-4001-9dc5-e5ada32c0a24" xlink:to="loc_srt_LitigationCaseAxis_b90535f4-ddde-4fd4-aff5-24dbd2d8e137" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_b90535f4-ddde-4fd4-aff5-24dbd2d8e137_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_LitigationCaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_LitigationCaseAxis_b90535f4-ddde-4fd4-aff5-24dbd2d8e137" xlink:to="loc_srt_LitigationCaseTypeDomain_b90535f4-ddde-4fd4-aff5-24dbd2d8e137_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_d6075d86-bdd0-4f93-bd9e-a81a28fffece" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_LitigationCaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_LitigationCaseAxis_b90535f4-ddde-4fd4-aff5-24dbd2d8e137" xlink:to="loc_srt_LitigationCaseTypeDomain_d6075d86-bdd0-4f93-bd9e-a81a28fffece" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_airs_EstateLitigationWithFormerPatientMember_80c8f711-cce8-46d7-880e-9aebc3425aec" xlink:href="airs-20240630.xsd#airs_EstateLitigationWithFormerPatientMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_d6075d86-bdd0-4f93-bd9e-a81a28fffece" xlink:to="loc_airs_EstateLitigationWithFormerPatientMember_80c8f711-cce8-46d7-880e-9aebc3425aec" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationStatusAxis_ce34e682-568f-4574-a4e3-6b446ddd3a19" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LitigationStatusAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_5d2de377-9563-4001-9dc5-e5ada32c0a24" xlink:to="loc_us-gaap_LitigationStatusAxis_ce34e682-568f-4574-a4e3-6b446ddd3a19" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationStatusDomain_ce34e682-568f-4574-a4e3-6b446ddd3a19_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LitigationStatusDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LitigationStatusAxis_ce34e682-568f-4574-a4e3-6b446ddd3a19" xlink:to="loc_us-gaap_LitigationStatusDomain_ce34e682-568f-4574-a4e3-6b446ddd3a19_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationStatusDomain_858499d5-0502-4f83-8a8e-8cbcecb776e4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LitigationStatusDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LitigationStatusAxis_ce34e682-568f-4574-a4e3-6b446ddd3a19" xlink:to="loc_us-gaap_LitigationStatusDomain_858499d5-0502-4f83-8a8e-8cbcecb776e4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SettledLitigationMember_33402386-2c9a-441f-963d-f8858da73cd1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SettledLitigationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LitigationStatusDomain_858499d5-0502-4f83-8a8e-8cbcecb776e4" xlink:to="loc_us-gaap_SettledLitigationMember_33402386-2c9a-441f-963d-f8858da73cd1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualAxis_376929c7-bec7-4018-a844-b61cf4a3c9d9" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_TitleOfIndividualAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_5d2de377-9563-4001-9dc5-e5ada32c0a24" xlink:to="loc_srt_TitleOfIndividualAxis_376929c7-bec7-4018-a844-b61cf4a3c9d9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_376929c7-bec7-4018-a844-b61cf4a3c9d9_default" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_TitleOfIndividualAxis_376929c7-bec7-4018-a844-b61cf4a3c9d9" xlink:to="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_376929c7-bec7-4018-a844-b61cf4a3c9d9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_ea15e799-85df-4836-b8ac-71c108a768ff" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_TitleOfIndividualAxis_376929c7-bec7-4018-a844-b61cf4a3c9d9" xlink:to="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_ea15e799-85df-4836-b8ac-71c108a768ff" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ChiefExecutiveOfficerMember_4bb5858a-bc7a-49c1-8c5c-cb875cc10771" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ChiefExecutiveOfficerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_ea15e799-85df-4836-b8ac-71c108a768ff" xlink:to="loc_srt_ChiefExecutiveOfficerMember_4bb5858a-bc7a-49c1-8c5c-cb875cc10771" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_37052708-4267-4fc9-bccd-6d311f1a3c9c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_5d2de377-9563-4001-9dc5-e5ada32c0a24" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_37052708-4267-4fc9-bccd-6d311f1a3c9c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_37052708-4267-4fc9-bccd-6d311f1a3c9c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_37052708-4267-4fc9-bccd-6d311f1a3c9c" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_37052708-4267-4fc9-bccd-6d311f1a3c9c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_fbad0154-f93d-496f-9064-5a59bb9ebb49" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_37052708-4267-4fc9-bccd-6d311f1a3c9c" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_fbad0154-f93d-496f-9064-5a59bb9ebb49" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_d9e96acd-249a-4b68-ac29-3d80b07dbb64" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_fbad0154-f93d-496f-9064-5a59bb9ebb49" xlink:to="loc_us-gaap_SubsequentEventMember_d9e96acd-249a-4b68-ac29-3d80b07dbb64" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_3c713681-2ae6-4281-9660-cdbf55cde8c4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_5d2de377-9563-4001-9dc5-e5ada32c0a24" xlink:to="loc_us-gaap_AwardTypeAxis_3c713681-2ae6-4281-9660-cdbf55cde8c4" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3c713681-2ae6-4281-9660-cdbf55cde8c4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_3c713681-2ae6-4281-9660-cdbf55cde8c4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3c713681-2ae6-4281-9660-cdbf55cde8c4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_78439ba1-ba6d-46ac-b662-bb81bbea247f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_3c713681-2ae6-4281-9660-cdbf55cde8c4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_78439ba1-ba6d-46ac-b662-bb81bbea247f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_b0bbfcde-127a-44cd-8ccf-de62eb7eec21" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_78439ba1-ba6d-46ac-b662-bb81bbea247f" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_b0bbfcde-127a-44cd-8ccf-de62eb7eec21" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyDamagesAwardedValue_8ac193be-9106-42d3-9630-1741f101cd25" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingencyDamagesAwardedValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_6dd5aeab-4574-4f77-8492-3c3616bf814c" xlink:to="loc_us-gaap_LossContingencyDamagesAwardedValue_8ac193be-9106-42d3-9630-1741f101cd25" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyLossInPeriod_55029f70-d976-42c5-adf2-a695f82eaa4c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingencyLossInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_6dd5aeab-4574-4f77-8492-3c3616bf814c" xlink:to="loc_us-gaap_LossContingencyLossInPeriod_55029f70-d976-42c5-adf2-a695f82eaa4c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyReceivable_7140d31e-0df5-41e7-81c3-ba104630f2b6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingencyReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_6dd5aeab-4574-4f77-8492-3c3616bf814c" xlink:to="loc_us-gaap_LossContingencyReceivable_7140d31e-0df5-41e7-81c3-ba104630f2b6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_69a72cf2-8461-4f6d-9e94-fd3bdca450c4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_6dd5aeab-4574-4f77-8492-3c3616bf814c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_69a72cf2-8461-4f6d-9e94-fd3bdca450c4" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/ecd/AwardTypeOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#AwardTypeOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/ecd/AwardTypeOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_airs_MarketBasedPerformanceSharesMember_8f88d9df-5bd5-441a-bbb4-38ffb4f8ffc9" xlink:href="airs-20240630.xsd#airs_MarketBasedPerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_airs_MarketBasedPerformanceSharesMember_8f88d9df-5bd5-441a-bbb4-38ffb4f8ffc9" xlink:type="arc" order="4"/>
  </link:definitionLink>
</link:linkbase>
