1a weapon incorporating a metal tube from which bullets, shells, or other missiles are propelled by explosive force, typically making a characteristic loud, sharp noise. a device for discharging a particular object or substance in a required direction:a grease gun a starting pistol used in athletics. the firing of a piece of artillery as a salute or signal:the boom of the one o’clock gun echoed across the river
chiefly North American a gunman:a hired gun
British a member of a shooting party.
) Nautical slang
, dated used as a nickname for a ship’s gunnery officer.
) informal muscular arms; well-developed biceps muscles:it’s encouraging to note that Schwarzenegger wasn’t born with massive guns
(gun someone down
) shoot someone with a gun:they were gunned down by masked snipers
2 informal cause (an engine) to race:as Neil gunned the engine the boat jumped forward [with object and adverbial of direction] accelerate (a vehicle):he gunned the car away from the kerb