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Quad may refer to:

An abbreviation for "quadruple" or four in many contexts, as in "quad exhaust pipes"


Brands and commercial attractions[edit]

International trade[edit]

Music, television, theatre and film[edit]



  • Quad Cities, a group of five cities straddling the US Iowa–Illinois boundary

Science and mathematics[edit]

Society and religion[edit]

  • Quadrangle Club, one of the ten eating clubs at Princeton University
  • BU Quad, student publication of Boston University started in 2009




  • Jeffery Quad, a four-wheel drive truck manufactured by the Thomas B. Jeffery Company
  • Quad, a muscle car with a four-barrel carburetor
  • Quad, a tandem bicycle with four seats
  • Quad bikes, four-wheeled all-terrain vehicles
  • Quad, or speeder, a motorized vehicle used for maintenance of ways on railroads
  • Quad, the nickname of the Morris C8 artillery gun tractor
  • Quad (rocket), an autonomous rocket by Armadillo Aerospace
  • Quadruple combination fire apparatus that features a pump, tank, hose, and a full complement of ground ladders
  • An abbreviation for quadracycle, a human powered vehicle with four wheels
  • Quadcopter, a four-rotor helicopter

See also[edit]