Definition of "duarchy" []

• A government by two persons. (noun)

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• "We have also records of peoples among which, at least for certain periods, the supreme authority was vested in a duarchy consisting of a man and a woman."
• "In 1868, after revolution and restoration, the old order changed, and duarchy and feudalism passed away."
• "The duarchy of Throne and Camp, with the Mikado in Ki [= o] to and the"