Obs. rare. [f. as TRIUMVIRATE: see -ACY.] = TRIUMVIRATE.
1605. E. Sadler, Organon Reipublicæ, Of Govt. That ambitious Protectorship, and Triumviracy of Caesar, Crassus, and Pompey. And last of all, in the triumviracy of Octauius, Antonius, and Lepidus.
1678. R. LEstrange, Senecas Mor. (1776), 260. In the triumviracy he made use of his sword.