gun meaning and definition

GUN noun

Definition of gun (noun)

1. a weapon that discharges a missile at high velocity (especially from a metal tube or barrel)
2. large but transportable armament
   • synonyms: artillery, heavy weapon, ordnance
3. a person who shoots a gun (as regards their ability)
   • synonyms: gunman
4. a professional killer who uses a gun
   • synonyms: gun for hire, gunman, gunslinger, hired gun, hit man, hitman, shooter, torpedo, triggerman
5. a hand-operated pump that resembles a revolver; forces grease into parts of a machine
   • synonyms: grease-gun
6. a pedal that controls the throttle valve
   • "he stepped on the gas"
   • synonyms: accelerator, accelerator pedal, gas, gas pedal, throttle
7. the discharge of a firearm as signal or as a salute in military ceremonies
   • "two runners started before the gun"; "a twenty gun salute"

GUN verb

Definition of gun (verb)

1. shoot with a gun