ac Last Updated: July 29th, 2013 Category: EMSTerms-Definitions PageDiscussionHistory Wikis > acPageDiscussionHistoryWikis > acAbbreviation meaning "before meals." Category: EMSTerms-Definitions Tags: Definitions ems EMS Definitions EMT Firefighter Paramedic First Responder Paramedic Terms Category: EMSTerms-Definitions Tags: Definitions ems EMS Definitions EMT Firefighter Paramedic First Responder Paramedic Terms