pig

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Any of several mammals of the family Suidae, having short legs, cloven hooves, bristly hair, and a cartilaginous snout used for digging, especially the domesticated hog, Sus scrofa domesticus, when young or of comparatively small size.
2. n. The edible parts of one of these mammals.
3. n. Informal A person regarded as being piglike, greedy, or gross.
4. n. A crude block of metal, chiefly iron or lead, poured from a smelting furnace.
5. n. A mold in which such metal is cast.
6. n. Pig iron.
7. n. Offensive Slang Used as a disparaging term for a police officer.
8. n. Slang A member of the social or political establishment, especially one holding sexist or racist views.
9. v. To give birth to pigs; farrow.
10. pig out Slang To eat ravenously; gorge oneself: "a parent who asks a child, 'Would you like to pig out on pizza?'” ( George F. Will).
11. idiom. in a pig's eye Slang Under no condition; never.
12. idiom. pig in a poke Something that is offered in a manner that conceals its true nature or value.
13. idiom. pig it Slang To live in a piglike fashion.

Century Dictionary and Cyclopedia

1. n. A hog; a swine; especially, a porker, or young swine of either sex, the old male being called boar, the old female sow. It is sometimes used in composition to designate some animal likened to a pig: as, a guinea-pig. See hog, Suidæ.
2. n. The flesh of swine; pork.
3. n. An oblong mass of metal that has been run while still molten into a mold excavated in sand; specifically, iron from the blast-furnace run into molds excavated in sand. The molds are a series of parallel trenches connected by a channel running at right angles to them. The iron thus cools in the form of semi-cylindrical bars, or pigs, united at one end by another bar called the sow: so called from a coarse comparison with a litter of pigs suckling.
4. n. A customary unit of weight for lead, 301 pounds.
5. n. A very short space of time.
6. To bring forth pigs; bring forth in the manner of pigs; litter.
7. To act as pigs; live like a pig; live or huddle as pigs: sometimes with an indefinite it.
8. n. An earthen vessel; any article of earthenware.
9. n. A can for a chimney-top.
10. n. A potsherd.
11. n. Pig-iron collectively or any specified amount of iron pigs.
12. n. In forestry, see rigging-sled.

Wiktionary

1. n. Scotland earthenware, or an earthenware shard
2. n. An earthenware hot-water jar to warm a bed; a stone bed warmer
3. n. UK a pigeon.
4. n. Any of several mammals of the genus Sus, having cloven hooves, bristles and a nose adapted for digging; especially the domesticated farm animal Sus scrofa.
5. n. specifically A young swine, a piglet.
6. n. uncountable The edible meat of such an animal; pork.
7. n. Someone who overeats or eats rapidly and noisily.
8. n. A nasty or disgusting person.
9. n. A dirty or slovenly person.
10. n. informal A difficult problem.
11. n. countable and uncountable A block of cast metal.
12. n. The mold in which a block of metal is cast.
13. n. engineering A device for cleaning or inspecting the inside of an oil or gas pipeline, or for separating different substances within the pipeline. Named for the pig-like squealing noise made by their progress.
14. n. pejorative a person who is obese to the extent of resembling a pig (the animal)
15. v. of swine to give birth.
16. v. intransitive To greedily consume (especially food).
17. v. intransitive To huddle or lie together like pigs, in one bed.

GNU Webster's 1913

1. n. A piggin.
2. n. The young of swine, male or female; also, any swine; a hog.
3. n. (Zoöl.) Any wild species of the genus Sus and related genera.
4. n. An oblong mass of cast iron, lead, or other metal. See Mine pig, under Mine.
5. n. Low One who is hoggish; a greedy person.
6. v. To bring forth (pigs); to bring forth in the manner of pigs; to farrow.
7. v. To huddle or lie together like pigs, in one bed.

WordNet 3.0

1. n. domestic swine
2. v. live like a pig, in squalor
3. v. give birth
4. n. a person regarded as greedy and pig-like
5. v. eat greedily
6. n. uncomplimentary terms for a policeman
7. n. a crude block of metal (lead or iron) poured from a smelting furnace
8. n. a coarse obnoxious person
9. n. mold consisting of a bed of sand in which pig iron is cast