1. (a.) Elongated; having greater length than width, especially when rectangular\.

2. (n.) A rectangular figure longer than it is broad; hence, any figure longer than it is broad.

cube-shaped cubed cubic cubiform cuboid diced elliptical elongated foursquare oblongated oblongitudinal orthogonal quadrangular quadrate quadriform quadrilateral rectangular rhombic rhomboid square tetragonal tetrahedral trapezohedral trapezoid