re‧volv‧er /rɪˈvɒlvə $ rɪˈvɑːlvər/
noun [countable] a type of small gun. The bullets are in a case which turns around as you fire the gun, so that when you fire one bullet the next bullet is ready to be fired. ⇒
handgun,
pistol [TahlilGaran] Dictionary of Contemporary English ▲