Definitions of quadrangle

A plane figure having four angles, and consequently four sides; any figure having four angles.

A square surrounded by buildings: ( geom.) a plane figure having four equal sides and angles.

Plane figure of four equal sides and angles.

Quadrangular.

A plane figure having four sides and four angles; a court so shaped.

A plane figure with four angles and four sides; an open square surrounded by buildings.

In geom., a plane figure having four right angles; a square; in arch., a four cornered space enclosed by buildings; the rectangular court of a building.

Quadranglely.