The body of a pump; any tubular part of an engine.
♦ Charge cylinder of a gun, is the part which receives the powder and ball, the remaining portion being styled the vacant cylinder. Especially in marine steam-engines, the cylindrical metal tube, with a diameter proportionate to the power of the engine, of which it may be termed the chief part, since it contains the active steam. Also, a cartridge box for the service of artillery. (See cartridge-box.)