dressing room

a room for use in getting dressed, especially one for performers backstage in a theater, television studio, etc.

Origin of dressing room

First recorded in 1665–75

Both movies feature an abundance of feather boas, glitter makeup, and dressing-room catfights.

Burlesque v. Showgirls: The Face-Off |Nicole LaPorte |November 23, 2010 |DAILY BEAST
He never came to my dressing-room, for that destroyed the illusion.

Fair Margaret |Francis Marion Crawford
She listened to the ceaseless chatter in the dressing-room with a happy smile.

Highacres |Jane Abbott
Mr. Carlyle came into his wife's dressing-room, and Madame Vine would have made a precipitate retreat.

East Lynne |Mrs. Henry Wood

I am so glad, the only thing I'm sorry about is that she will sleep in the dressing-room and not Dora.

A Young Girl's Diary |An Anonymous Young Girl
I declared it was unnecessary; but he insisted on my waiting, while he himself went into his dressing-room to procure one.

The Memoirs of Harriette Wilson, Volumes One and Two |Harriette Wilson

dressing room

theatre a room backstage for an actor to change clothing and to make up

any room used for changing clothes, such as one at a sports ground or off a bedroom

(in sport, esp soccer) a sense of camaraderie or team spirit