from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A security officer who travels undercover on a commercial airliner to prevent hijacking.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An armed, undercover guard on a commercial-airline flight.
- n. A military rank used by air forces, mostly in Commonwealth countries.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a person trained by the government in hijacking and terrorist tactics who (for security reasons) is a passenger aboard an airline flight
Sorry, no etymologies found.