Borrowed from Old French quadrat (“a square”), from Latin quadratus (“square”), past participle of quadrare (“to make four-cornered, square, put in order, intransitive be square”), from quadra (“a square”), later quadrus (“square”), from quattuor (“four”).
quadrate (comparative more quadrate, superlative most quadrate)
- Having four equal sides, the opposite sides parallel, and four right angles; square.
- Produced by multiplying a number by itself; square.
- (archaic) Square; even; balanced; equal; exact.
- (archaic) Squared; suited; correspondent.
quadrate (plural quadrates)
- (geometry) A plane surface with four equal sides and four right angles; a square; hence, figuratively, anything having the outline of a square.
- (astrology) An aspect of the heavenly bodies in which they are distant from each other 90°, or the quarter of a circle; quartile.
- (anatomy) The quadrate bone.
quadrate (third-person singular simple present quadrates, present participle quadrating, simple past and past participle quadrated)
- (archaic, transitive) To adjust (a gun) on its carriage.
- (archaic, transitive) To train (a gun) for horizontal firing.
- (archaic, transitive, intransitive) To square.
- (archaic, transitive) To square; to agree; to suit; to correspond (with).
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