<p><strong>Noun</strong></p><ul><li>A plane figure having four angles and four sides, as a square</li><li>A square or quadrangular space or court that is surrounded by a building or buildings, as on a college campus</li><li>The building or buildings around such a space or court</li><li>The area shown on one of the standard topographic map sheets published by the U.S. Geological Survey: approximately 17 miles (27 km) north to south and from 11 to 15 miles (17 to 24 km) east to west</li></ul>