quadrangle
quad.ran.gle \'kwa:d-.ran-g*l\ \kwa:-'dran-gy*-l*r\ n [ME, fr. MF, fr. LL quadriangulum, fr. L, neut. of quadriangulus qu]adrangular, fr. quadri- + angulus angle 1: QUADRILATERAL 2a: a quadrangular enclosure esp. when surrounded by buildings 2b: the buildings enclosing a quadrangle 3: a tract of country represented by one atlas sheet (as published by the U .s. Geological Survey) - qua.dran.gu.lar aj