_____ is the material fired, scattered, dropped, or detonated from any weapon, as bombs or rockets, and also shot, shrapnel, bullets, or shells fired by guns.
_____ is a shoulder firearm with spiral grooves cut in the inner surface of the gun barrel to give the bullet a rotatory motion and thus a more precise trajectory.
_____ is a domelike, sometimes heavily armored structure, usually revolving horizontally, within which guns are mounted, as on a fortification, ship, or aircraft.