quadrumvirate

[kwo-druhm-ver-it, -vuh-reyt]

noun

a governing or managing group, coalition, or the like, of four persons.

Origin of quadrumvirate

1745–55; quadr- + -umvirate (as in triumvirate)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019