Meaning of “stud” - Learner’s Dictionary

stud

noun [ C ] uk us /stʌd/
JEWELLERY

a small, metal piece of jewellery that is put through a part of your body such as your ear or nose

DECORATION

a small piece of metal that is fixed to the surface of something, usually for decoration

ANIMALS (also stud farm, uk us )

a place where horses are kept for breeding

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