te·​trar·​chy | \ ˈte-ˌträr-kē How to pronounce tetrarchy (audio) , ˈtē- \
plural tetrarchies

Definition of tetrarchy

: government by four persons ruling jointly

Examples of tetrarchy in a Sentence

Recent Examples on the Web Emperor Diocletian tried to bring order by distributing power to a four-ruler tetrarchy that would govern the four quarters of the empire. Kristin Baird Rattini, National Geographic, "Who was Constantine?," 25 Feb. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tetrarchy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of tetrarchy

15th century, in the meaning defined above

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The first known use of tetrarchy was in the 15th century

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Cite this Entry

“Tetrarchy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tetrarchy. Accessed 11 Aug. 2020.

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