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pentarchy

[pen-tahr-kee]
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noun, plural pen·tar·chies.
  1. a government by five persons.
  2. a governing body of five persons.
  3. a federation of five nations, each under its own government or ruler.

Origin of pentarchy

From the Greek word pentarchía, dating back to 1580–90. See pent(a)-, -archy
Related formspen·tarch, nounpen·tar·chi·cal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for pentarch

pentarchy

noun plural -chies
  1. government by five rulers
  2. a ruling body of five
  3. a union or association of five kingdoms, provinces, etc, each under its own ruler
  4. a country ruled by a body of five
Derived Formspentarchical, 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