Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Mathematics Quadrilateral.
  • n. A rectangular area surrounded on all four sides by buildings.
  • n. The buildings bordering this area.
  • n. The area of land shown on one atlas sheet charted by the U.S. Geological Survey.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A geometric shape with four angles and four straight sides; a four-sided polygon.
  • n. A courtyard which is quadrangular.
  • n. The buildings forming the border of such a courtyard.

from the GNU version of the Collaborative International Dictionary of English

  • n. A plane figure having four angles, and consequently four sides; any figure having four angles.
  • n. A square or quadrangular space or inclosure, such a space or court surrounded by buildings, esp. such a court in a college or public school in England.

from The Century Dictionary and Cyclopedia

  • n. A plane figure having four angles; a foursquare figure; a quadrilateral; in mod. geom., a plane figure formed by six lines intersecting at four points.
  • n. A square or oblong court nearly or quite surrounded by buildings: an arrangement common with public buildings, as palaces, city halls, colleges, etc.
  • n. In palmistry, the space between the line of the heart and that of the head.
  • n. A square block of buildings.
  • n. Any square block, as of stone.
  • n. A region measuring 15′ lat. by 15′ long. (or 30′ lat. by 30′ long., or 1° lat, by 1° long., according to the density of tho population) as shown on an atlas sheet of the United States Geological Survey.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a four-sided polygon
  • n. a rectangular area surrounded on all sides by buildings

Etymologies

Middle English, from Old French, from Late Latin quadrangulum, from Latin, neuter of quadrangulus, four-cornered : quadri-, quadri- + angulus, angle.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Old French quadrangle, from Late Latin quadrangulum. (Wiktionary)

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