Meaning of “suit” - Learner’s Dictionary

suit

noun [ C ] uk us /suːt/
CLOTHES

A2 a jacket and trousers or a jacket and skirt that are made from the same material:

She wore a dark blue suit.
CARDS

one of the four types of cards with different shapes on them in a set of playing cards

→ See also bathing suit , pant suit , trouser suit , wet suit , follow suit

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