noun, plural du·ar·chies.
a government or form of government in which power is vested equally in two rulers.
Origin of duarchy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for duarchy
Historical Examples of duarchy
In 1868, after revolution and restoration, the old order changed, and duarchy and feudalism passed away.The Religions of Japan
William Elliot Griffis