windmill Syllabification: (wind·mill)Pronunciation: /ˈwindˌmil/Translate windmill | into French | into German | into Italian | into Spanish Definition of windmill noun a building with sails or vanes that turn in the wind and generate power to grind grain into flour. a structure using wind to generate electricity or draw water. British a pinwheel. verb (with reference to a person’s arms) move or be moved around in a circle in a manner suggestive of the rotating sails or vanes of a windmill. [no object] (of the propeller or rotor of an aircraft, or the aircraft itself) spin unpowered. Phrases tilt at windmills see tilt.windmill in other Oxford dictionaries Definition of windmill in the British & World English dictionary
