blackface
noun [ U ] uk/ˈblæk.feɪs/ us/ˈblæk.feɪs/
（电影等中的）白人黑脸妆;白人化妆扮黑人
dark make-up worn by a white person in order to look like a black person, or the practice of doing this
Laurence Olivier played Othello in blackface. 劳伦斯奥利维尔在《奥赛罗》中化妆饰演黑人。