Definition of: pig

(pig) noun
1. A hog or hoglike animal, especially when small or young; also, its flesh (pork). ♦ Collateral adjective: porcine.
2. An oblong mass of metal, especially iron or lead, just run from the smelter and cast in a rough mold, usually in sand; also, the mold or trough.
3. Pig iron or iron pigs in general.
4. Colloq. A person regarded as like a pig, especially one who is filthy, gluttonous, or grasping.
5. Scot. An earthen article or vessel.
6. Colloq. A railroad locomotive: also called hog.
—v.i. pigged, pig·ging
1. To bring forth pigs.
2. To act or live like pigs: with it. [ME pigge,? OE picga, as in pic(g)bred food for hogs]