noun
noh greenroom; mirror room (noh)
In noh theater, the room behind the curtain where actors prepare and adjust costumes while looking into a large mirror. Also called 楽屋 (がくや) in broader theater contexts.
能楽師は鏡の間で面をつけ、心を整える。
The noh actor puts on his mask and composes himself in the mirror room.
ヴェルサイユ宮殿の鏡の間は、第一次世界大戦の講和条約が調印された場所としても知られている。
The Hall of Mirrors at the Palace of Versailles is also known as the place where the peace treaty of World War I was signed.
General term for a backstage dressing room in theater, including noh. 鏡の間 is specific to the noh tradition and emphasizes the presence of a large mirror.
Compound of 鏡 (かがみ, 'mirror') + の (possessive particle) + 間 (ま, 'room'). The name comes from the large mirror traditionally placed in the noh greenroom for actors to check their appearance.