(military, historical) The outer wall of a castle or defensive wall between two bastions. / (architecture) The non-load-bearing outer skin of a modern building.

(performing arts) In a theater, an initial play, musical performance, etc which precedes the main performance. / (idiomatic, by extension) A prelude or introduction to an activity or thing.

(architecture) The section of a wall or rampart between two gates, bastions, towers or the like.

plural of curtain lecture

plural of curtain-raiser

plural of curtain raiser

The moment at the end of a performance when actors come back on the stage and thank the audience for applauding them for their performance.

(theater) The last time the curtain is lowered, after a performance and any curtain calls. / (figuratively) The end to something that has lasted for a long time.

(idiomatic) to start something

simple past tense of ring down the curtain