beef

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A full-grown steer, bull, ox, or cow, especially one intended for use as meat.
2. n. The flesh of a slaughtered full-grown steer, bull, ox, or cow.
3. n. Informal Human muscle; brawn.
4. n. Slang A complaint.
5. v. Slang To complain.
6. beef up Informal To make or become greater or stronger: beef up the defense budget.

Century Dictionary and Cyclopedia

1. n. An animal of the bovine genus, whether ox, bull, or cow, in the full-grown state.
2. n. The flesh of an ox, bull, or cow when killed.
3. n. A name given by quarrymen to certain beds of fibrous carbonate of lime occurring in England in the middle division of the Purbeck series, the highest part of the Jurassic.
4. n. Brawn; muscularity; weight and strength combined: as, the crew is lacking in beef.

Wiktionary

1. n. uncountable The meat from a cow, bull or other bovines.
2. n. uncountable Bovine animals.
3. n. archaic, countable, plural: beef or beeves A single bovine (cow or bull) being raised for its meat.
4. n. plural: beefs a complaint or disagreement
5. n. Muscle, effort, force.
6. v. intransitive To complain.
7. v. transitive To add weight or strength to, usually as beef up.
8. v. intransitive, slang To fart.
9. v. intransitive (chiefly Yorkshire) To cry
10. adj. Being a bovine animal that is being raised for its meat.
11. adj. Producing or known for raising lots of beef.
12. adj. Consisting of or containing beef as an ingredient.

GNU Webster's 1913

1. n. An animal of the genus Bos, especially the common species, Bos taurus, including the bull, cow, and ox, in their full grown state; esp., an ox or cow fattened for food.
2. n. The flesh of an ox, or cow, or of any adult bovine animal, when slaughtered for food.
3. n. Applied colloquially to human flesh.
4. adj. Of, pertaining to, or resembling, beef.

WordNet 3.0

1. v. complain.
2. n. meat from an adult domestic bovine
3. n. informal terms for objecting
4. n. cattle that are reared for their meat