tetrarchy

noun
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

First Known Use of tetrarchy

15th century, in the meaning defined above

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