duumvirate

/duˈʌmvərɪt/
noun
  1. A group or government of two people who share power or authority.
    • Historians study the duumvirate that governed Rome during that period.
    • The two generals formed a duumvirate to rule the province.
    • The company was run by a duumvirate of co-founders.
Synonyms
What does "duumvirate" mean? | whatsthatwordmean | whatsthatwordmean