(athletics) A gun fired to start a race. / (figuratively) A signal to start or proceed.

(military) The firing of a gun after the last note of the retreat, signalling the lowering of the flag at sunset; the gun thus fired.

(military) At military posts, a gun fired at the first note of reveille; the firing of this gun.

plural of submachine gun

plural of Tommy gun

(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.

plural of rail gun

Third-person singular simple present indicative form of out-gun

plural of smoking gun

Synonym of chicken cannon