What does medevac mean?
A medevac is an emergency evacuation of a sick or injured person, usually by helicopter, to a hospital or other place where medical treatment is available. It is especially important in military operations, remote rescues, disaster response, and situations in which roads are blocked or travel would endanger the patient further. The word can denote the mission itself, the transport of the patient, or the helicopter assigned to the task. In everyday news and operational contexts, phrases such as “call for a medevac” and “medevac helicopter” are especially common. Although the expression may sound like a general emergency evacuation, its defining feature is the urgent movement of someone needing medical care. The word is also used as a verb, particularly in reporting involving wounded soldiers, pilots, or remote casualties.
An emergency flight that carries a sick or injured person to a hospital or medical facility, especially by helicopter; also the aircraft used for this purpose.
"The base was able to arrange a medevac within minutes."
The word commonly refers specifically to helicopter evacuation, although more generally it may denote medical evacuation by aircraft.
To transport a sick or injured person by an emergency medical evacuation, usually by helicopter.
"Rescue crews medevaced the climber to a trauma centre."
The verb is common in military, aviation, and emergency-response reporting.
The standard plural adds the suffix -s.
"Two medevacs were dispatched to the remote island."
A medevac turns a helicopter into a flying emergency room, often reaching patients over terrain that no ground ambulance can cross.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of medevac
The word is a contraction of “medical evacuation,” a phrase that developed alongside modern air-ambulance and military casualty-evacuation practices. It became established in American English during the mid-20th century, when helicopters were increasingly used to move wounded people from battlefield or remote locations to medical care. “Medical” comes through Old French from Latin medicus, meaning “physician,” while “evacuation” derives from Latin evacuare, meaning “empty out.” The shortened form became particularly prominent in later military usage, including the Vietnam War era.
Related word forms
How medevac is actually used
The term is chiefly associated with American military, aviation, and emergency-response contexts. It is normally pronounced as three syllables, with the final syllable stressed more weakly than the first.
Easily confused with medevac
A medevac is the evacuation mission or its broader operation, whereas a medevac helicopter is the aircraft used to carry out that mission.