triumvir Meaning, Definition & Usage

  1. noun one of a group of three sharing public administration or civil authority especially in ancient Rome

WordNet

Tri*um"vir noun
Etymology
L., fr. res, gen. trium, three + vir a man. See Three, and Virile.
Wordforms
plural L Triumviri E Triumvirs
Definitions
  1. (Rom. Antiq.) One of tree men united in public office or authority. ✍ In later times the triumvirs of Rome were three men who jointly exercised sovereign power. Julius Cæsar, Crassus, and Pompey were the first triumvirs; Octavianus (Augustus), Antony, and Lepidus were the second and last.

Webster 1913