diarchy

or dy·ar·chy

[dahy-ahr-kee]

noun, plural di·ar·chies.

government in which power is vested in two rulers or authorities.

Origin of diarchy

First recorded in 1825–35; di-¹ + -archy

Related formsdi·ar·chi·al, di·ar·chic, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for diarchy

Historical Examples of diarchy

This diarchy was to hold for both the central and provincial governments.
The New World of Islam
Lothrop Stoddard
Diarchy, dī′ar-ki, n. a form of government in which two persons are jointly vested with supreme power—less correctly Dī′narchy.
Chambers's Twentieth Century Dictionary (part 1 of 4: A-D)
Various
The diarchy, however, as might have been expected, was found not to work very successfully in practice.
Pyrrhus
Jacob Abbott

British Dictionary definitions for diarchy

diarchy

dyarchy

noun plural -chies

government by two states, individuals, etc

Derived Formsdiarchic, diarchical, diarchal, dyarchic, dyarchical or dyarchal, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012