Duumvir
Pronunciation : Du*um"vir, n.; pl. E. Duumvirs
Part of Speech : L.
Etymology : [L., fr. duo two + vir man.] (Rom. Antiq.)
Definition : Defn: One of two Roman officers or magistrates united in the same public functions.
Duumviri.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder