A wheel, usually with radial handles projecting from the rim, for traversing the saddle of a machine tool, especially an automatic machine tool, by hand.

plural of spare wheel

plural of wheel bug

(hydroelectricity) A form of impulse turbine or water wheel, extracting energy from the impulse of moving water

plural of Pelton wheel

A circular plate or a cross, with two or more cross grooves intersecting at the centre, used on the end of a shaft to transmit motion to another shaft not in line with the first.

Synonym of split pulley

A wheel used for measuring, by its motion when submerged, the velocity of flowing water.

plural of Archibald wheel

(military) A kind of heavily built dished wheel with a long axle box, used on gun carriages, usually having 14 spokes and 7 felloes; hence, a wheel of similar construction for use on automobiles, etc.