Rectangle

Rec"tan`gle, a. Rectangular. [R.]

Rec"tan`gle (r?k"t??`g'l), n. [F., fr. L. rectus right + angulus angle. See Right, and Angle.] (Geom.) A four-sided figure having only right angles; a right-angled parallelogram.

☞ As the area of a rectangle is expressed by the product of its two dimensions, the term rectangle is sometimes used for product; as, the rectangle of a and b, that is, ab.