costume

US /ˈkɑː.stuːm/
UK /ˈkɑː.stuːm/
"costume" picture
1.

a set of clothes worn by an actor or by someone to make them look like a different type of person or thing

:
She wore a beautiful fairy costume for the party.
The actors were dressed in historical costumes.
2.

the style of dress characteristic of a particular country, period, or group

:
The exhibition showcased traditional Japanese costume.
The film was praised for its authentic period costumes.
1.

to provide with a costume

:
The director decided to costume the entire cast in medieval attire.
The volunteers helped to costume the children for the school play.