revolver Meaning, Definition & Usage

  1. noun a pistol with a revolving cylinder (usually having six chambers for bullets)
    six-shooter; six-gun.
  2. noun a door consisting of four orthogonal partitions that rotate about a central pivot; a door designed to equalize the air pressure in tall buildings
    revolving door.

WordNet

Re*volv"er noun
Definitions
  1. 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.

Webster 1913