Quadrant

Quadrant may refer to:

Primary (geometrical) meanings:

  • A sector equal to one quarter of a circle, or half a semicircle, see Circular sector
  • Quadrant (plane geometry), a sector of a two-dimensional cartesian coordinate system
  • Quadrant (solid geometry)
  • A quadrant or section in a city street nomenclature system, see Address (geography)#Quadrants

Secondary meanings:

  • Quadrant (anatomy), a division of the abdominal cavity
  • Quadrant (architecture) a building which arcs in 90 degree manner
  • Quadrant (astronomy), a rectangular division of the celestial sphere
  • Galactic quadrant, one of four circular sectors in the division of the Milky Way galaxy
  • Quadrant (instrument), an angle or time measuring instrument
  • Quadrant (motorcycles)

Proper names:

  • Quadrant Cycle Company, 1899 manufacturers in Britain of the Quadrant motorcar
  • Quadrant (magazine), an Australian journal
  • Quadrant (album), a 1977 album by Joe Pass and Milt Jackson

Names of places etc.

  • Quadrant Bus Station, Swansea Wales
  • Quadrant Shopping Centre, Swansea, Wales
  • Quadrant Park, a nightclub in Liverpool, Merseyside
  • Quadrant:MK, Network Rail's headquarters campus in Milton Keynes
  • HMS Quadrant (G11), a Second World War British/Australian warship
  • First Quebec Conference, 1943 (codenamed "QUADRANT")
  • Quadrant Records, an independent record label
  • Triumph Quadrant, a four-cylinder motorcycle