gun

1. gun (noun) — sense 1

Definition: A device for shooting projectiles or ditto (a shooter), functioning through stored energy: a firearm, cannon, harpoon gun/spear gun, raygun, etc, not a bow and arrow, or slingshot.

Example: Guns were considered improvements of crossbows and catapults.

2. gun (noun) — sense 2

Definition: A device for shooting projectiles or ditto (a shooter), functioning through stored energy: a firearm, cannon, harpoon gun/spear gun, raygun, etc, not a bow and arrow, or slingshot.: A very portable, short firearm, for hand use, which fires bullets or projectiles, such as a handgun, revolver, pistol, or Derringer.

3. gun (noun) — sense 3

Definition: A device for shooting projectiles or ditto (a shooter), functioning through stored energy: a firearm, cannon, harpoon gun/spear gun, raygun, etc, not a bow and arrow, or slingshot.: A less portable, long firearm that fires bullets or projectiles; a rifle, either manual, automatic or semi-automatic; a flintlock, musket or shotgun.

4. gun (verb) — sense 4

Definition: To shoot with a gun.

Example: What's the use of foolishness like calling a gentleman bad names when he can gun you in the dark and you're no good even at striking matches?

5. gun (verb) — sense 5

Definition: To cause to speed up.

Example: He gunned the engine.

6. gun (verb) — sense 6

Definition: To offer vigorous support to (a person or cause).

Example: We're all gunning for you.