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

a greedy, dirty, or unpleasant person

I bet he's scoffed them all, greedy pig

a police officer

were the pigs there when the windows were smashed or not?

an oblong mass of iron or lead from a smelting furnace

a device which 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

gorge oneself with food

he'd pigged himself on the last of the food

we've been pigging ourselves on all the cuisines in LA

(of a sow) give birth to piglets; farrow

operate a pig within an oil or gas pipeline

they will carry out all trenching and pigging