Meaning of “pig” - Learner’s Dictionary

pig

noun [ C ] uk us /pɪɡ/
ANIMAL

A1 a large pink, brown, or black farm animal that is kept for its meat

PERSON informal

someone who is very unpleasant, or someone who eats a lot:

He's an ignorant pig.
→ See also guinea pig

(Definition of “pig” from the Cambridge Learner’s Dictionary © Cambridge University Press)