/duːˈmɪvrəl/ (DOO-miv-ruh-l)

Definitions

1. adjective

Relating to or characteristic of a system of government in which power is held by two people, often with equal authority.

“The ancient Roman Republic was a duumviral system where two consuls held office simultaneously.”

2. noun

A system of government in which power is held by two people, often with equal authority.

“The duumviral system of governance led to stability and balance in the city-state.”