n. the attire worn in a play or at a fancy dress ball
n. unusual or period attire not characteristic of or appropriate to the time and place
n. the prevalent fashion of dress (including accessories and hair style as well as garments)
n. the attire characteristic of a country or a time or a social class
n. 装束, 服装
1. She wore a beautiful costume for the Halloween party.
她为万圣节派对穿了一套漂亮的服装。
2. The children dressed up in their favorite costumes for the school play.
孩子们为学校的戏剧打扮成自己最喜欢的角色服装。
3. He bought a superhero costume for the comic convention.
他为漫画展买了一套超级英雄服装。