Quad"ran`gle (?), n. [F., fr. L. quadrangulum; quattuor four + angulus an angle. See Four, and Angle a corner.]
A plane figure having four angles, and consequently four sides; any figure having four angles.
A square or quadrangular space or inclosure, such a space or court surrounded by buildings, esp. such a court in a college or public school in England.
© Webster 1913.