Having four equal sides; square.
Solid, robust.
Pertaining to the International Church of the Foursquare Gospel.
Pertaining to a four-square cipher.
A boxy style of domestic architecture with four rooms to a floor, one of which is usually a stair hall.
A four-square cipher.
Having four equal sides, the opposite sides parallel, and four right angles; square.
Produced by multiplying a number by itself; square.
A plane surface with four equal sides and four right angles; a square; hence, figuratively, anything having the outline of a square.
An aspect of the heavenly bodies in which they are distant from each other 90°, or the quarter of a circle; quartile.
The quadrate bone.