Re·volv·er n. One who, or that which, revolves; specifically, a firearm ( commonly a pistol) with several chambers or barrels so arranged as to revolve on an axis, and be discharged in succession by the same lock; a repeater.
n 1: a pistol with a revolving cylinder (usually having six
chambers for bullets) [syn: six-gun, six-shooter]
2: a door consisting of four orthogonal partitions that rotate
about a central pivot; a door designed to equalize the air
pressure in tall buildings [syn: revolving door]