trīˈəmvə(r) sometimes ˈtrī_əm- noun
( plural triumvirs -)z ; also triumvi·ri ̷ ̷ˈ ̷ ̷vəˌrī, -vəˌrē)
Etymology: Latin, back-formation from triumviri, plural, from trium of three (gen. of tres three) + viri, plural of vir man — more at three , virile
: one of a commission or ruling body of three : a member of a triumvirate