Pronunciation: (med'u-vak"), [key]
—n., v., -vacked, -vack•ing.
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.
to transport (sick or wounded persons) by medevac. Also,Med'e•vac",medivac.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.