A solid figure generated by a rectangle which revolves about one of its sides as an axis; also, the surface so formed.

【数】圆柱体；圆筒。

Any body having the form of a cylinder, as the chamber in which force is exerted on the piston of a steam engine, the barrel of a pump, a roller for printing, etc.

任何之圆柱形体；(发动机内之)汽缸；(抽水机之)唧筒；(印刷机上之)滚筒。