DictionarytriumvirateThree-person leadership
noun

triumvirate

try-UM-vuh-ruht/traɪˈʌmvərət/

A group of three people sharing power or influence.

The three magistrates form a triumvirate that shares authority at the council table.

Three historically coherent Roman magistrates with equal authority jointly deciding at a simple council table, no writing.
Etymology

The pieces describe an office held by three men together. This institutional meaning underlies the modern use for three people sharing power or authority.

In context

Knowledge=fun10:00
he left Rome to negotiate with Mark Antony and Lepidus. Together, they formed the second triumvirate, basically carving up the Roman world between them.
The Forgotten Magistrate

More examples

  • The three founders form a triumvirate that runs the company.
  • Power rests with a triumvirate rather than a single ruler.
  • A triumvirate of wealthy donors influences the museum's major decisions.

Forms

triumvirate · triumvirates

triumvir noun — One of three people sharing governing authority.

Similar words

troika
Often suggests a tightly coordinated group of three leaders.
trio
Means any group of three, without implying shared power.