Main Entry: quad·ran·gle

Pronunciation: \ˈkwä-ˌdraŋ-gəl\

Function: noun

Etymology: Middle English, from Middle French, from Late Latin quadriangulum, from Latin, neuter of quadriangulus quadrangular, from quadri- + angulus angle

Date: 15th century

1 : quadrilateral
2 a : a 4-sided enclosure especially when surrounded by buildings b : the buildings enclosing a quadrangle
3 : a tract of country represented by one of a series of map sheets

— qua·dran·gu·lar \kwä-ˈdraŋ-gyə-lər\ adjective