quadrate

adj

1. Having four equal sides, the opposite sides parallel, and four right angles; square.

   “Figures, some round, some triangle, some quadrate.”

2. Produced by multiplying a number by itself; square.

   “The number of Ten hath been as highly extolled, as containing even, odd, long, plain, quadrate and cubical numbers.”

3. (archaic)Square; even; balanced; equal; exact.

   “a quadrat, solid, wise man”

4. (archaic)Squared; suited; correspondent.

   “a generical description quadrate to both”

noun

1. A plane surface with four equal sides and four right angles; a square; hence, figuratively, anything having the outline of a square.

   “At which command, the powers militant That stood for heav'n, in mighty quadrate joyn'd.”

2. An aspect of the heavenly bodies in which they are distant from each other 90°, or the quarter of a circle; quartile.
3. The quadrate bone.

verb

1. (archaic, transitive)To adjust (a gun) on its carriage.
2. (archaic, transitive)To train (a gun) for horizontal firing.
3. (ambitransitive, archaic)To square.

   “quadrating the circle”

4. (archaic, transitive)To square; to agree; to suit; to correspond (with).

   “not quadrating with American ideas of right, justice and reason”

   “The objections of these speculatists, if its forces do not quadrate with their theories, are as valid against such an old and beneficent government as against the most violent tyranny or the greenest usurpation.”

   “In short I am resolved, from this instance, never to give way to the weakness of human nature more, nor to think anything virtue which doth not exactly quadrate with the unerring rule of right.”