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English definition of “costume”

costume

noun     /ˈkɒstjuːm/
PLAY [C, U] B2 a set of clothes that someone wears to make them look like someone or something else, for example in a play: actors in costume He arrived at the party dressed in a gorilla costume.Clothes worn for a particular job or activity
TYPICAL CLOTHES [U] B2 a set of clothes that are typical of a particular country or time in history: Japanese national costume → See also swimming costumeClothes worn for a particular job or activity
(Definition of costume noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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