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⇱ quad - WordReference.com Dictionary of English

quad

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UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˈkwɒd/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/kwɑd/ ,USA pronunciation: respelling(kwod)

Inflections of 'quad' (v): (⇒ conjugate)
quads
v 3rd person singular
quadding
v pres p
quadded
v past
quadded
v past p

WordReference Random House Learner's Dictionary of American English © 2026
quad1 /kwɑd/USA pronunciation   n. 
  1. Informal Termsquadrangle (def. 2).
See -quad-.
quad3 /kwɑd/USA pronunciation   n. [countable][Informal.]
  1. Medicine, Informal Termsa quadruplet.
See -quad-.
-quad-, root. 
    1. The root -quad- comes from Latin, where it has the meaning "four, fourth." This meaning is found in such words as: quad, quadrangle, quadrant, quadruped, quadruplet.

WordReference Random House Unabridged Dictionary of American English © 2026
quad1  (kwod),USA pronunciation n. [Informal.]
  1. Informal Termsa quadrangle, as on a college campus.
  • shortened form 1810–20

quad2  (kwod),USA pronunciation n., v., quad•ded, quad•ding. [Print.]
n. 
    1. PrintingAlso called quadrat. a piece of type metal of less height than the lettered types, serving to cause a blank in printed matter, used for spacing.

    v.t. 
    1. Printingto space out (matter) by means of quads.
    • short for quadrat 1875–80

quad3  (kwod),USA pronunciation n. [Informal.]
  1. Medicine, Informal Termsa quadruplet.
  • shortened form 1895–1900

quad4  (kwod),USA pronunciation [Informal.]
adj. 
    1. Informal Termsquadraphonic.

    n. 
    1. Informal Termsquadraphonic sound, or an electronic system for reproducing it:The recording sounded best in quad.
    • by shortening

quad5  (kwod),USA pronunciation adj. 
  1. designating or comprising four persons or things:rates for quad occupancy; a quad-level house.

n. 
  1. Informal Termsquadruple occupancy:Rates are based on quad.
  • shortening of quadruple or words formed with quadri-

quad6  (kwod),USA pronunciation n. [Informal.]
  1. Informal Termsquadriplegic:a special ward for quads.
  • by shortening

quad., 
    1. quadrangle.
    2. Mathematicsquadrant.

Collins Concise English Dictionary © HarperCollins Publishers::
quad /kwɒd/ n
  1. short for quadrangle
quad /kwɒd/ n
  1. a block of type metal used for spacing
quad /kwɒd/ n
  1. a variant spelling of quod
quad /kwɒd/ n
  1. short for quadruplet
quad /kwɒd/ adj , n
  1. short for quadraphonicorquadraphonics
Collins Concise English Dictionary © HarperCollins Publishers::
quad bike, quad n
  1. a vehicle like a motorcycle with four large wheels, designed for agricultural, sporting, and other off-road uses
'quad' also found in these entries (note: many are not synonyms or translations):
In Lists: Vehicles, more...

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