See curtain raiser for more curtain-raiserBrE /ˈkɜːtn reɪzə(r)/ 🔊NAmE /ˈkɜːrtn reɪzər/ 🔊 noun~ (to sth) a small event that prepares for a more important one （重大事件的）前奏，序曲~ (to sth) a short performance before the main performance in a theatre, etc. （剧院等主要剧目演出前的）序幕，开场小戏