WINDMILL
windmill, aerogenerator, wind generator
(noun) generator that extracts usable energy from winds
windmill
(noun) a mill that is powered by the wind
Source: WordNet® 3.1
Etymology
Noun
windmill (plural windmills)
A machine which translates linear motion of wind to rotational motion by means of adjustable vanes called sails.
The structure containing such machinery.
A child's toy consisting of vanes mounted on a stick that rotate when blown by a person or by the wind.
(basketball) A dunk where the dunker swings his arm in a circular motion before throwing the ball through the hoop.
A guitar move where the strumming hand mimics a turning windmill.
A breakdancing move in which the dancer rolls his/her torso continuously in a circular path on the floor, across the upper chest, shoulders and back, while twirling the legs in a V shape in the air.
Any of various large papilionid butterflies of the genus Byasa, the wings of which resemble the vanes of a windmill.
(juggling) The false shower.
(metaphorical) An imaginary enemy, but presented as real.
Synonyms
• (child's toy): pinwheel
• (imaginary enemy): straw man
Hypernyms
• (machinery): machine
• (child's toy): toy
Hyponyms
• (child's toy): hand windmill
Verb
windmill (third-person singular simple present windmills, present participle windmilling, simple past and past participle windmilled)
(transitive, intransitive) To rotate with a sweeping motion.
(intransitive) Of a rotating part of a machine, to (become disengaged and) rotate freely.
Source: Wiktionary
Wind"mill`, n.
Definition: A mill operated by the power of the wind, usually by the action
of the wind upon oblique vanes or sails which radiate from a
horizontal shaft. Chaucer.
Source: Webster’s Unabridged Dictionary 1913 Edition