theme musicBrE /ˈθiːm mjuːzɪk/ 🔊NAmE /ˈθiːm mjuːzɪk/ 🔊 noun [uncountable] (also theme, ˈtheme song, ˈtheme tune [countable] ) music that is played at the beginning and end and/or is often repeated in a film/movie, television programme, etc. （电影、电视节目的）主题音乐 ➡ compare signature tune