or Med·e·vac, med·i·vac

  1. a helicopter for evacuating the wounded from a battlefield.
  2. an ambulance or other vehicle equipped for emergency transport of medical patients.
  3. any of the trained personnel transporting or otherwise tending to the sick or wounded in a medevac.
verb (used with object), med·e·vacked, med·e·vack·ing.
  1. to transport (sick or wounded persons) by medevac.

Origin of medevac

1965–70, Americanism; med(ical) evac(uation); presumably by ellipsis from medevac helicopter Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for medivac


noun, verb
  1. -vacs, -vacking or -vacked a variant spelling of medevac


  1. military the evacuation of casualties from forward areas to the nearest hospital or base
  2. a helicopter used for transporting wounded or sick people to hospital
verb -vacs, -vacking or -vacked
  1. (tr) to transport (a wounded or sick person) to hospital by medevac

Word Origin for medevac

C20: from med (ical) evac (uation)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for medivac


1966, U.S. military, formed from elements of medical evacuation.

Online Etymology Dictionary, © 2010 Douglas Harper

medivac in Medicine


  1. Air transport of persons to a place where they can receive medical or surgical care; medical evacuation.
  2. A helicopter or other aircraft used for such transport.
  1. To transport a patient to a place where medical care is available.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.