Definition of costume
(Entry 1 of 3)
1
: the prevailing fashion in coiffure, jewelry, and apparel of a period, country, or class
2
: an outfit worn to create the appearance characteristic of a particular period, person, place, or thing
Halloween costumes
3
: a person's ensemble of outer garments
especially
: a woman's ensemble of dress with coat or jacket
costume
verb
costumed; costuming
Definition of costume (Entry 2 of 3)
costume
adjectiveDefinition of costume (Entry 3 of 3)
1
: characterized by the use of costumes
a costume ball a costume drama
2
: suitable for or enhancing the effect of a particular costume
a costume handbag
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Merriam-Webster unabridged
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Time Traveler for costume
The first known use of costume was in 1668
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