• Quadrangle (architecture)
  Quadrangle (architecture)
  In architecture, a quadrangle is a space or courtyard, usually rectangular in plan, the sides of which are entirely or mainly occupied by parts of a large building. The word is probably most closely associated with college or university campus architecture, but quadrangles may be found in other...
  
  , a courtyard surrounded by a building or several buildings.
• The Quadrangle
  The Quadrangle
  The Quadrangle is a cluster of five museums in Springfield, Massachusetts, on Chestnut Street in Metro Center. Five museums and the Springfield City Library surround the Dr. Seuss National Memorial Sculpture Garden...
  
  , a group of five museums in Springfield, Massachusetts
  Springfield, Massachusetts
  Springfield is the most populous city in Western New England, and the seat of Hampden County, Massachusetts, United States. Springfield sits on the eastern bank of the Connecticut River near its confluence with three rivers; the western Westfield River, the eastern Chicopee River, and the eastern...
  
  , including the United States' first planetarium (1931,) and the Dr. Seuss
  Dr. Seuss
  Theodor Seuss Geisel was an American writer, poet, and cartoonist most widely known for his children's books written under the pen names Dr. Seuss, Theo LeSieg and, in one case, Rosetta Stone....
  
   National Memorial Sculpture Garden.
• Quadrangle (Harvard)
  Quadrangle (Harvard)
  The Quadrangle at Harvard University, formerly called the Radcliffe Quadrangle or the Harvard Annex dorms, is part of Harvard's undergraduate campus, in Cambridge, Massachusetts, USA. Generally just called the Quad, it is a traditional college quad except that it is not located in, or even...
  
  , a part of the Harvard University
  Harvard University
  Harvard University is a private Ivy League university located in Cambridge, Massachusetts, United States, established in 1636 by the Massachusetts legislature. Harvard is the oldest institution of higher learning in the United States and the first corporation chartered in the country...
  
   undergraduate campus
• Quadrilateral
  Quadrilateral
  In Euclidean plane geometry, a quadrilateral is a polygon with four sides and four vertices or corners. Sometimes, the term quadrangle is used, by analogy with triangle, and sometimes tetragon for consistency with pentagon , hexagon and so on...
  
   (geometry), a polygon with four sides
• Complete quadrangle (projective geometry), a configuration with four points and six lines.
• Quadrangle (geography)
  Quadrangle (geography)
  In geology or geography, the word "quadrangle" usually refers to a United States Geological Survey 7.5-minute quadrangle map, which are usually named after a local physiographic feature. The shorthand "quad" is also used, especially with the name of the map; for example, "the Ranger Creek, Texas...
  
  , a United States Geological Survey 7.5-minute quadrangle map
• Quadrangle Group
  Quadrangle Group
  Quadrangle Group is a private investment firm focused on private equity. The firm invests in middle-market companies within the media, communications and information-based sectors....
  
   investment fund in New York City
  New York City
  New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...
  
  
• Quadrangle Club (disambiguation)
  Quadrangle Club (disambiguation)
  The Quadrangle Club may refer to:*Quadrangle Club, an eating club at Princeton University*Quadrangle Club , the faculty club at the University of Chicago...
  
  , various clubs
• Quadrangle (horse)
  Quadrangle (horse)
  Quadrangle was an American Thoroughbred racehorse who won the 1964 Belmont Stakes. Bred in Virginia by Paul Mellon, he was out of the mare Tap Day, a daughter of the Calumet Farm Champion stallion, Bull Lea...
  
  , American thoroughbred, winner of the 1964 Belmont Stakes
  Belmont Stakes
  The Belmont Stakes is an American Grade I stakes Thoroughbred horse race held every June at Belmont Park in Elmont, New York. It is a 1.5-mile horse race, open to three year old Thoroughbreds. Colts and geldings carry a weight of 126 pounds ; fillies carry 121 pounds...
  
  
• The Quadrangle (Antarctica)
  The Quadrangle (Antarctica)
  The Quadrangle is an ice-covered area enclosed on three sides by rock ridges, but open to the south, lying between Mount Umbriel and Venus Glacier in eastern Alexander Island. Mapped by Directorate of Overseas Surveys from satellite imagery supplied by U.S. National Aeronautics and Space...
  
  , a geographical area

See also

• Siheyuan
  Siheyuan
  A siheyuan is a historical type of residence that was commonly found throughout China, most famously in Beijing. In English, siheyuan are sometimes referred to as Chinese quadrangles. The name literally means a courtyard surrounded by four buildings...
  
  , a Chinese architectural style also known as "Chinese quadrangle"