Rotor

Full definition of rotor

Noun

1. A rotating part of a mechanical device, for example in an electric motor, generator, alternator or pump.
• 2013, Lee S. Langston, The Adaptable Gas Turbine, Turbines have been around for a long time—windmills and water wheels are early examples. The name comes from the Latin turbo, meaning vortex, and thus the defining property of a turbine is that a fluid or gas turns the blades of a rotor, which is attached to a shaft that can perform useful work.
2. The wing of a helicopter or similar aircraft.

Related terms

• stator