—n.
1 a style or fashion of dress, esp. that of a particular place, time, or class.
2 a set of clothes.
3 clothing for a particular activity (swimming-costume).
4 an actor's clothes for a part.
5 a woman's matching jacket and skirt.
—v.tr. provide with a costume.
Phrases and idioms:
costume jewellery artificial jewellery worn to adorn clothes. costume play (or piece) a play in which the actors wear historical costume.
Etymology: F f. It. f. L consuetudo CUSTOM
Useful english dictionary. 2012.