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1. A weapon consisting of a metal tube from which a projectile is fired at high velocity into a relatively flat trajectory, especially:
a. A portable firearm, such as a rifle or revolver.
b. A cannon with a long barrel and a relatively low angle of fire.
2. A device resembling a firearm or cannon, as in its ability to project something, such as grease or paint, under pressure or at great speed.
3. A discharge of a firearm or cannon as a signal or salute: heard the guns honoring the leader.
4. One who is armed with or skilled in the use of a gun.
5. The throttle of an engine, as of an automobile.
6. guns Slang The biceps muscles of the arms.
v. gunned, gun·ning, guns
1. To shoot (a person): a bank robber who was gunned down by the police.
2. To open the throttle of (an engine) so as to accelerate: gunned the engine and sped off.
To hunt with a gun.
1. To plan or take action to harm or destroy (someone).
2. To go after in earnest; set out to obtain: gunning for a promotion.
go great guns
To proceed or perform with great speed, skill, or success.
hold a gun to (someone's) head
To put pressure on someone.
under the gun
Under great pressure or under threat.
1. (Firearms, Gunnery, Ordnance & Artillery) the act or an instance of shooting with guns
2. (Hunting) the art, practice, or act of hunting game with guns