Revolver
WordNet
noun
(1) A pistol with a revolving cylinder (usually having six chambers for bullets)
(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
WiktionaryText
Noun
- A handgun with a revolving chamber enabling several shots to be fired without reloading.
- Agent noun of revolve; something that revolves.