(Botany) Having an elongated form with approximately parallel sides:
(Zool.) Designating a bone or cartilage of the skull in birds, bony fishes, amphibians, and reptiles, to which the lower jaw is joined
Expressed in units measuring area:
(Not comparable, geometry) Having a right angle.
Having four equal sides and four right angles; square.
Like a box, as in shape, plainness, or confining quality
Find another word for rectangular. In this page you can discover 24 synonyms, antonyms, idiomatic expressions, and related words for rectangular, like: oblong, quadrilateral, quadrangular, quadrate, orthogonal, hexagonal, rectangle, square, right-angled, triangular and cylindrical.