Gunner

Middle English gun + -er

Full definition of gunner

(plural gunners)

(military) Artillery soldier, or such who holds private rank. Abbreviated Gnr.
A person who operates a gun.
(figuratively) An excessive go-getter; one exhibiting over-ambition.
(American football) A player on the kicking side whose primary job is to tackle the kickoff returner or punt returner.
(UK, slang, soccer) A fan of the Arsenal Football Club.
The great northern diver or loon.
(UK, Ireland, dialect) The sea bream.