In the United States navy, a petty officer whose duty it is, under the direction of the gunner, to care for the guns, gun-gear, small-arms, and ammunition.(noun)
The Century Dictionary (Public Domain)
Use "quarter-gunner" in a sentence
"I performed the duties of captain's aid, quarter-gunner, powder-boy, and, in fact, did everything that was required of me."
"He was much relieved when the quarter-gunner of his division handed him a spare sponge."
""That sounds reasonable," put in the quarter-gunner, gravely; "I've seen such droggers myself.""