/ˈkəʊstɑː(r)/
- a cinema or stage star appearing with another or others of equal importance（电影或舞台上的）联袂明星; 共同主演者。
/ˈkəʊˈstɑː(r)/
no obj.
1- appear in a production as a co-star（与他人）联袂主演：
Rickman co-starred with Bruce Willis in the movie.
里克曼和布鲁斯·威利斯在影片中联袂主演。
1.1
- with obj.(of a production) include as a co-star（作品）把…作为共同主演：
his new TV show co-stars John Schneider.
他在新电视剧中与约翰·施奈德共同主演。