costume

noun

1. (countable, uncountable)A style of dress, including garments, accessories and hairstyle, especially as characteristic of a particular country, period or people.

   “the sight of thousands of people gathered to watch men walk the streets openly in female costume”

   “The apology came after a netizen claimed Soberano was supposedly doing a black face, but the latter said, in defense, it was just a “costume.””

2. (countable, uncountable)An outfit or a disguise worn as fancy dress etc.

   “We wore gorilla costumes to the party.”

3. (countable, uncountable)A set of clothes appropriate for a particular occasion or season.

   “The bride wore a grey going-away costume.”

4. (countable, uncountable)A swimming costume.

   “They call their bathing suits down there "costumes."”

verb

1. To dress or adorn with a costume or appropriate garb.

   “Seated on the carpet, by the side of this basin, was seen Mr. Rochester, costumed in shawls, with a turban on his head. His dark eyes and swarthy skin and Paynim features suited the costume exactly. He looked the very model of an Eastern emir, an agent or a victim of the bowstring.”

   “"The Chengtu revolutionaries were fantastically colourful in the Szechwanese manner—they costumed themselves as heroes of the stage and their energies were chiefly occupied in tying ropes across the main streets so that when Imperial officials rode by in their litters they would have to get down and crawl under, losing face.”