opera /ˈɔpərə/ n. ［c］ & ［u］歌剧：opera house歌剧院，剧场；a light opera 轻歌剧；a comic opera 喜歌剧；be fond of opera 喜欢歌剧 An opera is a play set to music.歌剧是谱上曲的戏剧。