Up next: a windmill prototype, which is a few months from being finished.
They are, across the board, quixotic characters hacking at the windmill of language.
c.1300, from wind (n.1) + mill (n.). Cf. German Windmühle, Dutch windmolen, French moulin à vent (13c.). Verb meaning "to swing the arms wildly" is recorded from 1927.