triumvirate

[ trahy-uhm-ver-it, -vuh-reyt ]

/ traɪˈʌm vər ɪt, -vəˌreɪt /

Roman History. the office or magistracy of a triumvir.

a government of three officers or magistrates functioning jointly.

a coalition of three magistrates or rulers for joint administration.

any association of three in office or authority.

any group or set of three.

Origin of triumvirate

From the Latin word triumvirātus, dating back to 1575–85. See triumvir, -ate³

Successful politicians seek to marry a triumvirate of charisma, certitude, and leadership.

The Ugly Truth About Ugly Politicians |Tim Teeman |July 26, 2014 |DAILY BEAST
Beyond this triumvirate I struggle to recall something or someone truly remarkable.

Gal With a Suitcase |Jolie Hunt |July 17, 2010 |DAILY BEAST
Leamington seems largely under subjection to that triumvirate of despots—the Butler, the Coachman and the Gardener.

Little Journeys to the Homes of the Great, Vol. 1 of 14 |Elbert Hubbard
The first term of the triumvirate of Antony, Octavius, and Lepidus had expired at the close of the previous year.

Horace |Theodore Martin

The Triumvirate, with Cæsar at its head, had finally trodden down all law; and yet every one was clamoring for legal rights!

The Life of Cicero |Anthony Trollope
Lepidus, aspiring to greater power, is deserted by his soldiers and ejected from the triumvirate.

The Great Events by Famous Historians, Vol. 2 |Various
An English writer of good taste has placed him in a triumvirate with Homer and Ariosto for power of narration.

Introduction to the Literature of Europe in the Fifteenth, Sixteenth, and Seventeenth Centuries, Vol. 1 |Henry Hallam

triumvirate

/ (traɪˈʌmvɪrɪt) /

(in ancient Rome)

a board of three officials jointly responsible for some task
the political alliance of Caesar, Crassus, and Pompey, formed in 60 bc (First Triumvirate)
the coalition and joint rule of the Roman Empire by Antony, Lepidus, and Octavian, begun in 43 bc (Second Triumvirate)

any joint rule by three men

any group of three men associated in some way

the office of a triumvir