quadrangle

Etymology
From, from.

Noun

 * 1)  A geometric shape with four angles and four straight sides; a four-sided polygon.
 * 2) A courtyard which is quadrangular.
 * 3) The buildings forming the border of such a courtyard.
 * 1) The buildings forming the border of such a courtyard.
 * 1) The buildings forming the border of such a courtyard.

Synonyms

 * , 4-gon, ; see also Thesaurus:quadrilateral

Etymology
, from.

Etymology
.

Noun

 * 1)  four-sided polygon

Adjective

 * 1) quadrangular of a polygon, having four sides and four angles