noun pl. pigs or pig

1. any swine, esp. the unweaned young of the thick-bodied domesticated species (Sus scrofa)
2. meat from a pig; pork
3. a person regarded as acting or looking like a pig; greedy or filthy person

4. Etymology: from the shape or size

   1. an oblong casting of iron or other metal poured from the smelting furnace
   2. any of the molds in which these are cast
   3. pig iron
5. Slang
   1. ☆ a slatternly or sluttish woman
   2. a rude or arrogant person
   3. a police officer: a derogatory term

Etymology: ME pigge, orig., young pig (replacing OE swin) < OE *picga, as in picgbread, mast, pig's food

intransitive verb pigged, pigging pig′·ging

1. to bear pigs
2. to live in filth, like a pig: usually with it