(dated, gangster, slang) A machine gun, particularly the Thompson or similar.

plural of gun powder

(transitive) To kill by means of a firearm, especially deliberately and in a brutal manner. / (transitive, figuratively) To shoot down; to put an end to.

A hand-held (or mounted) device that emits a radar beam and uses the Doppler effect to measure the velocity of moving objects (especially traffic)

Alternative spelling of gunpowder

(video games) A device resembling a gun that allows the player of a video game to target a point on the screen.

Alternative spelling of outgun

(chiefly US, politics) An organized group which attempts to influence public policy and law with respect to firearms, especially as an advocate of ownership of and access to firearms by individual citizens.

present participle of jump the gun

simple past tense and past participle of jump the gun