Available Definitions:
1) a. - Having four equal sides, the opposite sides parallel, and four right angles; square.
2) a. - Produced by multiplying a number by itself; square.
3) a. - Square; even; balanced; equal; exact.
4) a. - Squared; suited; correspondent.
5) a. - A plane surface with four equal sides and four right angles; a square; hence, figuratively, anything having the outline of a square.
6) a. - An aspect of the heavenly bodies in which they are distant from each other 90ยก, or the quarter of a circle; quartile. See the Note under Aspect, 6.
7) a. - The quadrate bone.
8) a. - To square; to agree; to suit; to correspond; -- followed by with.
9) v. t. - To adjust (a gun) on its carriage; also, to train (a gun) for horizontal firing.