quadrate

nouns

a cubelike object
quadrate
is a type of (narrower)
a hexahedron with six equal squares as faces
cube, regular hexahedron
a square-shaped object
quadrate
is a type of (narrower)
(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"
foursquare, square

adjectives

having four sides and four angles
quadrate
is similar to
having four equal sides and four right angles or forming a right angle
"a square peg in a round hole"; "a square corner"
square