gun

GUN, n. An instrument consisting of a barrel or tube of iron or other metal fixed in a stock, from which balls, shot or other deadly weapons are discharged by the explosion of gunpowder. The larger species of guns are called cannon; and the smaller species are called muskets, carbines, fowling pieces, &c. But one species of fire-arms, the pistol, is never called a gun.

GUN, v.i. To shoot.