noun
scrim; gauze curtain
A thin, translucent curtain used in theater and stage productions. When lit from the front it appears opaque; when lit from behind it becomes transparent.
舞台の紗幕が上がると、幻想的な森のセットが現れた。
When the scrim rose, a fantastical forest set appeared on stage.
紗幕に後ろから光を当てて、シルエットを浮かび上がらせる。
They light the scrim from behind to make silhouettes appear.