QUADRANGLE

quadrangle. Quadrangle, n. a figure that has four right angles

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Quad″ran′gle (?), n. [[F., fr. L. quadrangulum; quattuor four + angulus an angle. See Four, and Angle a corner.]] 1. 1. (Geom.) A plane figure having four angles, and consequently four sides; any figure having four angles.
2. 2. 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.