1.Definition: the attire characteristic of a country or a time or a social class

"He wore his national costume"

Category: Objects

2.Definition: the attire worn in a play or at a fancy dress ball

"He won the prize for best costume"

Category: Objects

3.Definition: the prevalent fashion of dress (including accessories and hair style as well as garments)

Category: Objects

4.Definition: unusual or period attire not characteristic of or appropriate to the time and place

"In spite of the heat he insisted on his woolen costume"

Category: Objects