QUAD
quad, quadrangle
(noun) a rectangular area surrounded on all sides by buildings
quad, space
(noun) (printing) a block of type without a raised letter; used for spacing between words or sentences
quadriceps, quadriceps femoris, musculus quadriceps femoris, quad
(noun) a muscle of the thigh that extends the leg
quadruplet, quad
(noun) one of four children born at the same time from the same pregnancy
Source: WordNet® 3.1
Etymology 1
Noun
quad (plural quads)
Four shots of espresso.
(chess) A kind of round-robin tournament between four players, where each participant plays every other participant once.
(Mormonism) The Bible, Book of Mormon, Doctrine and Covenants, and Pearl of Great Price bound in a single volume.
A poster, measuring forty by thirty inches, advertising a cinematic film release.
Adjective
quad (not comparable)
Having four shots of espresso.
Etymology 2
Noun
quad (plural quads)
(informal) A quadrangle (courtyard).
(informal) A quadruplet (infant).
(informal, computer graphics) A quadrilateral.
(informal) The quadriceps muscle.
(informal) A quadriplegic person.
(informal) A quadrupel beer.
(informal) A quadcopter.
Adjective
quad (not comparable)
(poker slang) Of or relating to quads.
Etymology 3
Abbreviation
Noun
quad (plural quads)
A quad bike (from quadricycle)
Abbreviation of quadrillion BTU. (1015 BTU)
Verb
quad (third-person singular simple present quads, present participle quadding, simple past and past participle quadded)
to ride a quad bike
Etymology 4
Noun
quad (plural quads)
(metal type) A blank metal block used to fill short lines of type.
(printing slang) A joke used to fill long days of setting type.
(typography, phototypesetting and digital typesetting) A keyboard command which aligns text with the left or right margin, or centred between them. In combination, as quad left, quad right, or quad centre.
Synonyms
• em space
• quadrat (obsolete)
Verb
quad (third-person singular simple present quads, present participle quadding, simple past and past participle quadded)
(metal type, transitive, intransitive) To fill spaces in a line of type with quads. Also quad out.
(typography, phototypesetting and digital typesetting, transitive, intransitive) To align text with the left or right margin, or centre it.
Source: Wiktionary
Quad, Quade, a. Etym: [Akin to AS. cwæd, cwead, dung, evil, G. kot,
dung, OHG. quat.]
Definition: Evil; bad; baffling; as, a quade wind. [Obs.]
Sooth play, quad play, as the Fleming saith. Chaucer.
Quad, n. (Print.)
Definition: A quadrat.
Quad, n. (Arch.)
Definition: A quadrangle; hence, a prison. [Cant or Slang]
Source: Webster’s Unabridged Dictionary 1913 Edition