quadrangle Meaning, Definition & Usage

  1. noun a four-sided polygon
    tetragon; quadrilateral.
  2. noun a rectangular area surrounded on all sides by buildings
    quad.

WordNet

Quad"ran`gle noun
Etymology
F., fr. L. quadrangulum; quattuor four + angulus an angle. See Four, and Angle a corner.
Definitions
  1. (Geom.) A plane figure having four angles, and consequently four sides; any figure having four angles.
  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.

Webster 1913