Wiktionary
n. 1 One who operates the gun in the rear turret of a bomber. 2 (context colloquial English) One whose function in an organization is to defend it from attackers, for example, in public relations or public affairs.
Usage examples of "rear gunner".
In his dream he had been back in F for Freddie, fumbling and fumbling for a cloth to wipe the vomit off the poor rear gunner.
They dropped neatly under the Rumpler's tailplane, and the German pilot banked steeply to port in a climbing turn to give his rear gunner a shot at them.
He fired one short burst with the Vickers at a hundred feet and the German rear gunner bucked and flung his arms open, letting the Spandau machine-gun swivel aimlessly on its mounting as the .
Started off as helper to Loz and the rest of the cooks, then graduated to rear gunner.
By 1939 he was almost rivalling Gable in popularity and a tour as a rear gunner in a B.
Reave swung down from the rear gunner's chair and ducked behind the Minstrel Boy.