noun
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 device operated by a trigger and acting in a manner similar to a firearm.
(surfing) A long surfboard designed for surfing big waves (not the same as a longboard, a gun has a pointed nose and is generally a little narrower).
(cellular automata) A pattern that "fires" out other patterns.
(colloquial, metonymic) A person who carries or uses a gun (rifle, shotgun or handgun), particularly with reference to how quickly the person can draw and fire the gun.
(television) An electron gun.
(colloquial, usually in the plural) The biceps.
(nautical, in the plural) Violent blasts of wind.
(Australia, slang) Someone excellent, surpassingly wonderful, or cool.
verb
(transitive) To cause to speed up.
(informal) To offer vigorous support to (a person or cause).
(informal) (gunning for something or gunning to do something) make a great effort.
To seek to attack someone; to take aim at someone; used with for.
To practice fowling or hunting small game; chiefly in participial form: to go gunning.
(ambitransitive, US, prison slang, of a male prisoner) Synonym of gun down (“to masturbate while making sustained eye contact with someone — typically a female prison officer — as a form of intimidation”).
noun
(obsolete, slang) A magsman or street thief.
verb
Nonstandard spelling of going to.