1. rectangular, angular (vs. rounded), angulate

usage: having four right angles; "a rectangular figure twice as long as it is wide"

2. orthogonal, rectangular, perpendicular (vs. oblique) (vs. parallel)

usage: having a set of mutually perpendicular axes; meeting at right angles; "wind and sea may displace the ship's center of gravity along three orthogonal axes"; "a rectangular Cartesian coordinate system"

WordNet 3.0 Copyright © 2006 by Princeton University.
All rights reserved.

See also: rectangular (Dictionary)