a group of three powerful people or groups who control something together 三人领导小组;三人统治集团;三方执政集团 They appointed a triumvirate of directors. 他们任命了三名董事。
Word Originlate 16th cent.: from Latin triumviratus, from triumvir, originally as triumviri (plural), back-formation from trium virorum ‘of three men’, genitive of tres viri.