A machine which translates linear motion of wind to rotational motion by means of adjustable vanes called sails. / The structure containing such machinery.

(transitive, intransitive) To rotate with a sweeping motion. / (intransitive) Of a rotating part of a machine, to (become disengaged and) rotate freely.

present participle of windmill

The process of milling with a windmill.

plural of windmill

Third-person singular simple present indicative form of windmill

simple past tense and past participle of windmill

(rare) The miller who manages a windmill

plural of windmiller

(intransitive) To attack imaginary enemies. / (intransitive, by extension) To go on a wild-goose chase; to persistently engage in a futile activity.