quad

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A quadrangle: cadets forming up in the barracks quad.
2. n. Printing See quadrat.
3. adj. Informal Quadruple.
4. n. A quadruplet.
5. adj. Quadraphonic.
6. n. Informal A quadriceps muscle. Often used in the plural.

Century Dictionary and Cyclopedia

1. n. See qued.
2. n. A quadrangle or court, as of a college.
3. n. The quadrangle of a prison where prisoners take exercise; hence, a prison; a jail. More commonly spelled quod.
4. To put in prison.
5. n. In printing, a quadrat.
6. In printing, to fill with quadrats: as to quad out a line.
7. n. An abbreviation of quadruplex in telegraphy.
8. n. A bicycle for four riders.
9. n. An abbreviation of quadrant, the unit of self-inductance;
10. n. of quadrate;
11. n. of quadruplex (telegraph).

Wiktionary

1. n. informal A quadrangle (courtyard).
2. n. informal A quadruplet (infant).
3. n. short for quadrilateral
4. n. informal A quadriceps muscle.
5. n. Four shots of espresso.
6. n. A quad bike.
7. adj. Having four shots of espresso.
8. adj. poker slang Of or relating to quads.
9. n. A blank metal block used to fill short lines of type.
10. n. A joke used to fill long days of setting type.
11. n. 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.
12. v. transitive, intransitive To fill spaces in a line of type with quads. Also quad out.
13. v. typography, phototypesetting and digital typesetting, transitive, intransitive To align text with the left or right margin, or centre it.

GNU Webster's 1913

1. adj. obsolete Evil; bad; baffling.
2. n. (Print.) A quadrat.
3. n. (Arch.), Cant or Slang A quadrangle; hence, a prison.

WordNet 3.0

1. n. a muscle of the thigh that extends the leg
2. n. one of four children born at the same time from the same pregnancy
3. n. (printing) a block of type without a raised letter; used for spacing between words or sentences
4. n. a rectangular area surrounded on all sides by buildings