or dy·ar·chy

[ dahy-ahr-kee ]
/ ˈdaɪ ɑr ki /

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 forms

di·ar·chi·al, di·ar·chic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for diarchy

  • Diarchy, dī′ar-ki, n. a form of government in which two persons are jointly vested with supreme power—less correctly Dī′narchy.

  • The diarchy, however, as might have been expected, was found not to work very successfully in practice.

    Pyrrhus|Jacob Abbott
  • This diarchy was to hold for both the central and provincial governments.

    The New World of Islam|Lothrop Stoddard

British Dictionary definitions for diarchy



/ (ˈdaɪɑːkɪ) /

noun plural -chies

government by two states, individuals, etc

Derived Forms

diarchic, 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