costume

Universal Words noun 1 [C,U] the clothes worn by people from a particular place or during a particular historical period: Some of the singers wore the Welsh national costume. 2 [C,U] the clothes worn by actors in a play or film/movie, or worn by sb to make them look like sth else: The actors were still in costume and make-up. * She has four costume changes during the play. * He went to the party in a giant chicken costume. * a costume designer 3 [C] (BrE, informal) = SWIMMINGCOSTUME: If you'd like a swim, we can lend you a costume.