(letterpress typography, obsolete) A quad; a blank metal block used to fill space in lines of type.

(sciences) An area of land, marked for studying its plants, animals, soil, natural processes, etc.

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.

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

(archaic, transitive) To adjust (a gun) on its carriage. / (archaic, transitive) To train (a gun) for horizontal firing. / (archaic, transitive, intransitive) To square.

square-shaped / (mathematics) of a polynomial, involving the second power (square) of a variable but no higher powers, as ax²+bx+c. / (mathematics) of an equation, of the form ax²+bx+c=0.

(mathematics) A quadratic polynomial, function or equation.

Quality of being quadrate.

In a quadratic way.

Third-person singular simple present indicative form of quadrate