'Costume' definitions:

Definition of 'costume'

From: WordNet
noun
The attire worn in a play or at a fancy dress ball; "he won the prize for best costume"
noun
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"
noun
The prevalent fashion of dress (including accessories and hair style as well as garments)
noun
The attire characteristic of a country or a time or a social class; "he wore his national costume"
verb
Dress in a costume; "We dressed up for Halloween as pumpkins" [syn: costume, dress up]
verb
Furnish with costumes; as for a film or play

Definition of 'Costume'

From: GCIDE
  • Costume \Cos"tume`\ (k?s"t?m` or k?s-t?m"), n. [F. costume, It. costume custom, dress, fr. L. consuetumen (not found), for consuetudo custom. See Custom, and cf. Consuetude.]
  • 1. Dress in general; esp., the distinctive style of dress of a people, class, or period. [1913 Webster]
  • 2. Such an arrangement of accessories, as in a picture, statue, poem, or play, as is appropriate to the time, place, or other circumstances represented or described. [1913 Webster]
  • I began last night to read Walter Scott's Lay of the Last Minstrel . . . .I was extremely delighted with the poetical beauty of some parts . . . .The costume, too, is admirable. --Sir J. Mackintosh. [1913 Webster]
  • 3. A character dress, used at fancy balls or for dramatic purposes. [1913 Webster]