Dictionary.com
Thesaurus.com

duumvirate

American  
[doo-uhm-ver-it, dyoo-] / duˈʌm vər ɪt, dyu- /

noun

  1. a coalition of two persons holding the same office, as in ancient Rome.

  2. the office or government of two such persons.


duumvirate British  
/ djuːˈʌmvɪrɪt /

noun

  1. the office of or government by duumvirs

"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

Etymology

Origin of duumvirate

From the Latin word duumvirātus, dating back to 1650–60. See duumvir, -ate 3

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

When the All Blacks’ coaching triumvirate of Graham Henry, Steve Hansen and Wayne Smith replaced the Mitchell-Deans duumvirate in 2004 they worked on improving the team’s set-pieces, but they retained counter-attack.

From The Guardian • Aug. 26, 2018

Of what did the duumvirate of digital videos discuss?

From Slate • Jun. 27, 2018

That's why I still think the coalition will stagger on to the designated election day , 7 May 2015, under its present Cameron/Clegg duumvirate.

From The Guardian • Mar. 4, 2013

More important, the duumvirate fired Khrushchev's hated chief ideologue Leonid Ilyichev, replaced him with Party Secretary Petr Demichev.

From Time Magazine Archive

Nono really feared this duumvirate, for the twins had more than once given him to understand that he would "catch it" when they got to be the oldest at home.

From The Golden House by Baker, Sarah S. (Sarah Schoonmaker)