(mechanical engineering) In an engine, the power measured in horse power delivered to a rotating shaft, which could be in a turbine, or transmission.

A shaft in a steam engine that oscillates instead of revolving.

plural of rock shaft

A shaft from a driving wheel communicating motion to machinery.

plural of driving shaft

A shaft which permits a reversal of the order of steam passage through the ports of a steam engine.

plural of reversing shaft

(automotive) Either of the pair of drive shafts that extend from a differential to the wheels

plural of cardan shaft

(mechanical engineering) A driveshaft with a universal joint at one or both ends.