Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Mathematics A quadrilateral.
  • noun A rectangular area surrounded on all four sides by buildings.
  • noun The buildings bordering this area.
  • noun The area of land shown on one atlas sheet charted by the US Geological Survey.

from The Century Dictionary.

  • noun 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.
  • noun A square or oblong court nearly or quite surrounded by buildings: an arrangement common with public buildings, as palaces, city halls, colleges, etc.
  • noun In palmistry, the space between the line of the heart and that of the head.
  • noun A square block of buildings.
  • noun Any square block, as of stone.
  • noun 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 the GNU version of the Collaborative International Dictionary of English.

  • noun (Geom.) A plane figure having four angles, and consequently four sides; any figure having four angles.
  • noun 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 Wiktionary, Creative Commons Attribution/Share-Alike License.

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

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

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

Etymologies

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

[Middle English, from Old French, from Late Latin quadrangulum, from Latin, neuter of quadrangulus, four-cornered : quadri-, quadri- + angulus, angle.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Old French quadrangle, from Late Latin quadrangulum.

Examples

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