cy·lin·der [cylindercylinders] BrE [ˈsɪlɪndə(r)] NAmE [ˈsɪlɪndər] noun 1. a solid or hollow figure with round ends and long straight sides 2. an object shaped like a cylinder, especially one used as a container •a gas/oxygen cylinder 3. the hollow tube in an engine, shaped like a cylinder, inside which the ↑piston moves •a six-cylinder engine Idiom: ↑firing on all cylinders
Word Origin: late 16th cent.: from Latin cylindrus, from Greek kulindros ‘roller’, from kulindein ‘to roll’.
Example Bank: •All our aircraft carry at least one oxygen cylinder for emergency use on board.
