(n) :
a polygon with four sides of equal length and four angles of 90 degrees; a regular quadrilateral whose angles are all 90 degrees; an L- or T-shaped tool used to place objects or draw lines at right angles
"I took refuge in the square form and exhibited a picture which consisted of nothing more than a black square on a white field.—Kazimir Malevich"
(adj) :
shaped like a square (the polygon); at right angles to
(n) :
a polygon with four sides of equal length and four angles of 90 degrees; a regular quadrilateral whose angles are all 90 degrees; an L- or T-shaped tool used to place objects or draw lines at right angles
"I took refuge in the square form and exhibited a picture which consisted of nothing more than a black square on a white field.—Kazimir Malevich"
(adj) :
shaped like a square (the polygon); at right angles to