1.Definition: a hand-operated pump that resembles a pistol; forces grease into parts of a machine

Category: Objects

2.Definition: a pedal that controls the throttle valve

Related Noun(s):accelerator, gas, throttle

Category: Objects

3.Definition: a person who shoots a gun (as regards their ability)

Related Noun(s):gunman

Category: People

4.Definition: a professional killer who uses a gun

Related Noun(s):gun for hire, gunman, gunslinger, hired gun, shooter, torpedo, triggerman

Category: People

5.Definition: a weapon that discharges a missile at high velocity (especially from a metal tube or barrel)

Category: Objects

6.Definition: large but transportable armament

Related Noun(s):artillery, ordnance

Category: Objects

7.Definition: the discharge of a firearm as signal or as a salute in military ceremonies

"Two runners started before the gun", "A twenty gun salute"

Category: General