quad

Short definition from Wiktionary

Noun

1. 1
   Clipping of quadrat: A blank metal block used to fill short lines of type.
2. 2
   Clipping of quadrat: A joke used to fill long days of setting type.
3. 3
   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.
4. 4
   A quadrangle (quadrangular courtyard).
5. 5
   A horse, from colloquial or humorous quadruped specifically for horse.
6. 6
   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.
7. 7
   Something that is quadruple (four times) the usual amount, number, etc: A quadruple, a jump with four revolutions in the air.
8. 8
   Something that is quadruple (four times) the usual amount, number, etc: A serving of four shots of espresso; (attributive) containing four shots of espresso.
9. 9
   Something that is quadruple (four times) the usual amount, number, etc: A skate with four wheels.
10. 10
    Clipping of quadruplet (“a set of four; one of a set of four”).
11. 11
    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.
12. 12
    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.
13. 13
    Clipping of quadruplet (“a set of four; one of a set of four”): A quadruplet, one of four babies born during the same birth.
14. 14
    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.
15. 15
    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.
16. 16
    Clipping of quadruplet (“a set of four; one of a set of four”): Of or relating to quads (four of a kind).
17. 17
    The quadriceps muscle.
18. 18
    Quadruplex videotape.
19. 19
    A quadriplegic person.
20. 20
    A unit of energy equivalent to a quadrillion BTU (10¹⁵ BTU).
21. 21
    A quad bike.
22. 22
    A quadrilateral.
23. 23
    A quadcopter.
24. 24
    A quadrupel beer.

Adjective

1. 1
   Quadruple, four times the usual size or quantity.
2. 2
   Quadrille, marked with squares.

Verb

1. 1
   To fill spaces in a line of type with quads. Also quad out.
2. 2
   To align text with the left or right margin, or centre it.
3. 3
   To twist four individually insulated conductors together as two pairs of twisted wires that are then twisted together.
4. 4
   To ride a quad bike.

Proper noun

1. 1
   An informal strategic forum between the United States, Japan, Australia, and India, focused on Asian security matters.
2. 2
   A grouping of the United States, Japan, Australia, and India.
3. 3
   A coalition committee that resolved party disputes during the Cameron–Clegg coalition.