APTa woman who sings and dances with a group of other performers in a show or film 〔演出或电影中的〕歌舞队女演员
Examples from the Corpus
chorus girl• She apparently earned a little extra at weekends, by singing incognito as a chorus girl in somewhat shady theaters.• I wouldn't be a chorus girl, I'd be a singer.• She was not a good dancer, just a dancer, just a chorus girl.