From WordNet (r) 3.0 (2006):
pig
n 1: domestic swine [syn: hog, pig, grunter, squealer,
Sus scrofa]
2: a coarse obnoxious person [syn: slob, sloven, pig,
slovenly person]
3: a person regarded as greedy and pig-like [syn: hog, pig]
4: uncomplimentary terms for a policeman [syn: bull, cop,
copper, fuzz, pig]
5: mold consisting of a bed of sand in which pig iron is cast
[syn: pig bed, pig]
6: a crude block of metal (lead or iron) poured from a smelting
furnace
v 1: live like a pig, in squalor [syn: pig, pig it]
2: eat greedily; "he devoured three sandwiches" [syn: devour,
guttle, raven, pig]
3: give birth; "sows farrow" [syn: farrow, pig]