Standard Lemma guide

quad

adj · name · noun · verb · 37 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • General-American: /kwɑd/
  • Received-Pronunciation: /kwɒd/
  • Australia: Recorded audio is listed in the source snapshot.
  • rhymes with -ɒd
  • CMU ARPABET: K W AA1 D Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Quadruple, four times the usual size or quantity.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Quadrille, marked with squares.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Qualifier: paper

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

name

Meaning 3

An informal strategic forum between the United States, Japan, Australia, and India, focused on Asian security matters.

Definition source: English Wiktionary via Wiktextract

Usage: informal

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: QSD

Antonyms: none provided

4

name

Meaning 4

A grouping of the United States, Japan, Australia, and India.

Definition source: English Wiktionary via Wiktextract

Usage: broadly

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

name

Meaning 5

A coalition committee that resolved party disputes during the Cameron–Clegg coalition.

Definition source: English Wiktionary via Wiktextract

Usage: UK, historical

Topics: government, politics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

Clipping of quadrat.

A blank metal block used to fill short lines of type.

Definition source: English Wiktionary via Wiktextract

Usage: obsolete

Topics: letterpress-typography, media, publishing, typography

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: em quad, em space, quadrat

Antonyms: none provided

7

noun

Meaning 7

Clipping of quadrat.

A joke used to fill long days of setting type.

Definition source: English Wiktionary via Wiktextract

Usage: obsolete, slang

Topics: media, printing, publishing, typography

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

Clipping of quadrat.

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.

Definition source: English Wiktionary via Wiktextract

Usage: obsolete

Qualifier: phototypesetting and digital typesetting

Topics: media, publishing, typography

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

noun

Meaning 9

A quadrangle (quadrangular courtyard).

Definition source: English Wiktionary via Wiktextract

Usage: informal

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

noun

Meaning 10

A horse, from colloquial or humorous quadruped specifically for horse.

Definition source: English Wiktionary via Wiktextract

Usage: colloquial, dated

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

11

noun

Meaning 11

Something that is quadruple (four times) the usual amount, number, etc.

A poster advertising a cinematic film release, measuring forty by thirty inches, four times the area of crown paper.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

12

noun

Meaning 12

Something that is quadruple (four times) the usual amount, number, etc.

A quadruple, a jump with four revolutions in the air.

Definition source: English Wiktionary via Wiktextract

Topics: hobbies, lifestyle, skating, sports

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

13

noun

Meaning 13

Something that is quadruple (four times) the usual amount, number, etc.

A serving of four shots of espresso; (attributive) containing four shots of espresso.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

14

noun

Meaning 14

Something that is quadruple (four times) the usual amount, number, etc.

A skate with four wheels.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

15

noun

Meaning 15

Clipping of quadruplet (“a set of four; one of a set of four”).

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, clipping

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

16

noun

Meaning 16

Clipping of quadruplet (“a set of four; one of a set of four”).

A group of four insulated wires twisted together to form two circuits of two wires each.

Definition source: English Wiktionary via Wiktextract

Topics: business, communications, electrical-engineering, electricity, electromagnetism, electronics, energy, engineering, natural-sciences, physical-sciences, physics, telecommunications

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

17

noun

Meaning 17

Clipping of quadruplet (“a set of four; one of a set of four”).

A quad antenna, a directional radio antenna consisting of multiple loop antennas.

Definition source: English Wiktionary via Wiktextract

Topics: broadcasting, media, radio

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

18

noun

Meaning 18

Clipping of quadruplet (“a set of four; one of a set of four”).

A quadruplet, one of four babies born during the same birth.

Definition source: English Wiktionary via Wiktextract

Usage: informal

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

19

noun

Meaning 19

Clipping of quadruplet (“a set of four; one of a set of four”).

A kind of round-robin tournament between four players, where each participant plays every other participant once.

Definition source: English Wiktionary via Wiktextract

Topics: board-games, chess, games

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

20

noun

Meaning 20

Clipping of quadruplet (“a set of four; one of a set of four”).

The Bible, Book of Mormon, Doctrine and Covenants, and Pearl of Great Price bound in a single volume.

Definition source: English Wiktionary via Wiktextract

Usage: Mormonism

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

21

noun

Meaning 21

Clipping of quadruplet (“a set of four; one of a set of four”).

Of or relating to quads (four of a kind).

Definition source: English Wiktionary via Wiktextract

Usage: attributive, slang

Topics: card-games, poker

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

22

noun

Meaning 22

The quadriceps muscle.

Definition source: English Wiktionary via Wiktextract

Usage: informal

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

23

noun

Meaning 23

Quadruplex videotape.

Definition source: English Wiktionary via Wiktextract

Usage: informal

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

24

noun

Meaning 24

A quadriplegic person.

Definition source: English Wiktionary via Wiktextract

Usage: informal

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

25

noun

Meaning 25

A unit of energy equivalent to a quadrillion BTU (1015 BTU).

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

26

noun

Meaning 26

A small off-road four-wheeled powered vehicle, usually used for recreation or farm work.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: quad bike, four-wheeler

Antonyms: none provided

Broader terms: ATV, all-terrain vehicle, vehicle

27

noun

Meaning 27

A quadrilateral.

Definition source: English Wiktionary via Wiktextract

Usage: informal

Topics: computer-graphics, computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

28

noun

Meaning 28

A quadcopter.

Definition source: English Wiktionary via Wiktextract

Usage: informal

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

29

noun

Meaning 29

A quadrupel beer.

Definition source: English Wiktionary via Wiktextract

Usage: informal

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

30

verb

Meaning 30

To fill spaces in a line of type with quads. Also quad out.

Definition source: English Wiktionary via Wiktextract

Usage: intransitive, transitive

Topics: letterpress-typography, media, publishing, typography

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

31

verb

Meaning 31

To align text with the left or right margin, or centre it.

Definition source: English Wiktionary via Wiktextract

Usage: intransitive, transitive

Qualifier: phototypesetting and digital typesetting

Topics: media, publishing, typography

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

32

verb

Meaning 32

To twist four individually insulated conductors together as two pairs of twisted wires that are then twisted together.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

33

verb

Meaning 33

To ride a quad bike.

Definition source: English Wiktionary via Wiktextract

Usage: intransitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

34

noun

Meaning 34

a rectangular area surrounded on all sides by buildings

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: quadrangle

Antonyms: none provided

Broader terms: area

35

noun

Meaning 35

(printing) a block of type without a raised letter; used for spacing between words or sentences

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: space

Antonyms: none provided

Broader terms: type

Narrower terms: hair space

36

noun

Meaning 36

a muscle of the thigh that extends the leg

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: quadriceps, quadriceps femoris, musculus quadriceps femoris

Antonyms: none provided

Broader terms: extensor muscle, extensor

37

noun

Meaning 37

one of four children born at the same time from the same pregnancy

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: quadruplet

Antonyms: none provided

Broader terms: sibling, sib

History

Etymology

Shortened, via clipping or abbreviation, from various English terms. Ultimately related to Latin quattuor (“4”); compare quadri-, quadruple. The typography senses are from the abbreviation quad. for obsolete quadrat; the keyboard command comes from the verb sense.

Short for Quadrilateral Security Dialogue.