triumvir

noun

tri·​um·​vir trī-ˈəm-vər 

plural triumvirs also triumviri trī-ˈəm-və-ˌrī 

-ˌrē

: one of a commission or ruling body of three

Examples of triumvir in a Sentence

Recent Examples on the Web

There’s no due process here, either; the three triumvirs don’t get their hands dirty, their decisions can’t be appealed, and there’s no public process by which those to be killed will be identified before the decision is final. —JSTOR Daily, 23 Oct. 2025

Word History

Etymology

Middle English, from Latin, back-formation from triumviri, plural, commission of three men, from trium virum of three men

First Known Use

15th century, in the meaning defined above

Kids Definition

triumvir

noun

tri·​um·​vir trī-ˈəm-vər 

: one of a council or ruling body of three especially in ancient Rome