تعريف curtain-raiser في الإنجليزية الإنجليزية القاموس.
A curtain-raiser is an event, especially a sporting event or a performance, that takes place before a more important one, or starts off a series of events. The three-race series will be a curtain-raiser to the Monaco Grand Prix in May
an event such as a performance or sports event that happens before a more important one