square

noun

1
a hand tool consisting of two straight arms at right angles; used to construct or test right angles
the carpenter who built this room must have lost his square
2
any artifact having a shape similar to a plane geometric figure with four equal sides and four right angles
a checkerboard has 64 squares
3
an open area at the meeting of two or more streets
4
a formal and conservative person with old-fashioned views
5
someone who doesn't understand what is going on
6
the product of two equal terms
nine is the second power of three
gravity is inversely proportional to the square of the distance
7
(geometry) a plane rectangle with four equal sides and four right angles; a four-sided regular polygon
you can compute the area of a square if you know the length of its sides
8
something approximating the shape of a square

Also useful for “square”:Scrabble— High-value letters — see what it scores