revolver
From Longman Dictionary of Contemporary EnglishRelated topics: Weaponsrevolverre‧volv‧er /rɪˈvɒlvə $ rɪˈvɑːlvər/ noun [countable] PMWa 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