shaped like a square

(geometry) a plane rectangle with four equal sides and four right angles; a four-sided regular polygon

having four equal sides and four right angles or forming a right angle

make square

shaped to fit by or as if by altering the contours of a pliable mass (as by work or effort)

the product of two equal terms

in a straight direct way

raise to the second power

an open area at the meeting of two or more streets

cause to match, as of ideas or acts