Rectangular or square shape or form. Chiefly without article in prepositional phrases, as inor to square. Obsolete.

With qualifying term; esp. longor oblong square, a rectangle. ? Obsolete.

A plane figure with four straight sides and four right angles, opposite sides being parallel and equal in length; esp. one in which adjacent sides…

An oblong figure or object; esp. a rectangle of greater length than breadth.

More generally: a square; a square area or space; (also) a rectangle or rectangular space. rare in later use.

A rectangle.