sky marshal
noun
1.
an armed plainclothes federal marshal riding on an airliner to protect against skyjacking.
Origin
1965-70,
Americanism
Examples from the web for
sky marshal
The
sky marshal
's seat is one less that they can sell at a premium.
Reclaiming my time, the
sky marshal
program was established by.
British Dictionary definitions for
sky marshal
sky marshal
noun
1.
an armed security guard on a commercial aircraft