Quad

[kwod] /kwɒd/

noun, Informal.
1.
a quadrangle, as on a college campus.
[kwod] /kwɒd/ Printing.
noun
1.
Also 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.
verb (used with object), quadded, quadding.
2.
to space out (matter) by means of quads.
[kwod] /kwɒd/
noun, Informal.
1.
a quadruplet.
[kwod] /kwɒd/ Informal.
adjective
1.
.
noun
2.
quadraphonic sound, or an electronic system for reproducing it:
The recording sounded best in quad.
[kwod] /kwɒd/
adjective
1.
designating or comprising four persons or things:
rates for quad occupancy; a quad-level house.
noun
2.
Informal. occupancy:
Rates are based on quad.
[kwod] /kwɒd/
noun, Informal.
1.
:
a special ward for quads.
[kwodz] /kwɒdz/
plural noun, Informal.
1.
quadriceps muscles.
1.
.
2.
.
/kwɒd/
noun
1.
short for quadrangle (sense 2)
/kwɒd/
noun
1.
(printing) a block of type metal used for spacing
/kwɒd/
noun
1.
a variant spelling of quod
/kwɒd/
noun
1.
short for quadruplet (sense 1)
/kwɒd/
adjective, noun
1.
short for quadraphonic or quadraphonics See quadraphonic
noun
2.
(anatomy) short for quadriceps
abbreviation
1.
quadrangle
2.
quadrilateral
noun

See quad bike

1820 as a shortening of quadrangle (n.) in the building sense (in this case “quadrangle of a college,” Oxford student slang); 1880 as short for quadrat (n.); 1896 as quadruplet (n.), originally “bicycle for four riders;” later “one of four young at a single birth” (1951, of armadillos); 1970 as quadraphonic (adj.). Related: Quads.

noun

[said to be a shortening of quadrilateral, ”square”]

noun

A set of four headlights on a car (1950s+ Hot rodders)

character
The rectangle or box glyph used in the APL language for various arcane purposes mostly related to I/O.
[Jargon File]
(2007-05-31)
1.
quadraphonic
2.
quadriceps (thigh muscle)
3.
quadruplet
quadrangle
1.
quadrangle
2.
quadrant
3.
quadrilateral
4.
quadrillion
quadriceps (thigh muscles)