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wind•mill

Pronunciation: (wind'mil"), [key]
—n.
1. any of various machines for grinding, pumping, etc., driven by the force of the wind acting upon a number of vanes or sails.
2. (loosely) a wind generator; wind plant.
3. Aeron.a small air turbine with blades, like those of an airplane propeller, exposed on a moving aircraft and driven by the air, used to operate gasoline pumps, radio apparatus, etc.
4. an imaginary opponent, wrong, etc. (in allusion to Cervantes' Don Quixote): to tilt at windmills.

—v.i., v.t.
Aeron.(of a propeller engine or turbojet engine) to rotate or cause to rotate solely under the force of a passing airstream.

windlestraw

window

See also:

windmill (Thesaurus)
windmill (Encyclopedia)

Dictionary

wind•mill

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