pig

noun

• 1an omnivorous domesticated hoofed mammal with sparse bristly hair and a flat snout for rooting in the soil, kept for its meat.

  • Sus domesticus (with numerous varieties), family Suidae (the pig family), descended from the wild boar and domesticated over 8,000 years ago. The pig family also includes the warthog and babirusa, but the similar peccaries are placed in their own family
• a wild animal of the pig family.
• North American a young pig; a piglet.
• the flesh of a pig, especially a young one, as food.
• informal derogatory a greedy, dirty, or unpleasant person:how can she stay married to such a pig?
• informal derogatory a police officer.

• 2an oblong mass of iron or lead from a smelting furnace. See also pig iron.
• a device that fits snugly inside an oil or gas pipeline and is sent through it to clean or test the inside, or to act as a barrier.

verb (pigs, pigging, pigged)

• 1 informal gorge oneself with food:don’t pig out on chips before dinner

• 2 informal crowd together with other people in disorderly or dirty conditions:he and Irving pigged it for years in a shoebox of an apartment I have no intention of pigging with that bunch for another day

• 3(of a sow) give birth to piglets; farrow.

• 4operate a pig within an oil or gas pipeline.