rotor

A rotating part of an electrical or mechanical device.

An assembly of rotating horizontal airfoils, as that of a helicopter.

A quantity having magnitude, direction, and position.

In electricity, the revolving element of an electric machine.

The revolving part of a steam-turbine. It consists of the shaft and the disks carrying the buckets on which the steam pressure acts.

The rotating part of a generator or motor. Contrasted with stator, the stationary part.

A rotating part of a mechanical device, for example in an electric motor, generator, alternator or pump.

The wing of a helicopter or similar aircraft

rotating mechanism consisting of an assembly of rotating airfoils

the revolving bar of a distributor