[n. kos-toom, -tyoom; v. ko-stoom, -styoom] 
noun, verb, -tumed, -tum⋅ing, adjective | 1. | a style of dress, including accessories and hairdos, esp. that peculiar to a nation, region, group, or historical period. |
| 2. | dress or garb characteristic of another period, place, person, etc., as worn on the stage or at balls. |
| 3. | fashion of dress appropriate to a particular occasion or season: dancing costume; winter costume. |
| 4. | a set of garments, esp. women's garments, selected for wear at a single time; outfit; ensemble. |
| 5. | to dress; furnish with a costume; provide appropriate dress for: to costume a play. |
| 6. | of or characterized by the wearing of costumes: a costume party. |
| 7. | meant for use with or appropriate to a specific costume: costume accessories. |
| cos·tume (kŏs'tōōm', -tyōōm') n.
[French, from Italian, style, dress, from Latin cōnsuētūdō, custom; see custom.] |
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