a plane figure having four angles and four sides, as a square.

a square or quadrangular space or court that is surrounded by a building or buildings, as on a college campus.

the building or buildings around such a space or court.

the area shown on one of the standard topographic map sheets published by the U.S. Geological Survey

approximately 17 mi. (27 km) north to south and from 11 to 15 mi. (17 to 24 km) east to west.

noun

atrium , close , courtyard , enclosure , quad , yard , campus , court , forum , square