Plēn'i-po-tĕn'ti-a-ry1, n.
(-shĭ-a-, 95), n. [L. Lat. plenipotentiarius, Fr. plénipotentiaire, Sp. plenipotenciario, It. plenipotenziario.] A person invested with full power to transact any business; especially an embassador or envoy to a foreign court furnished with full power to negotiate a treaty, or to transact other business.