Po"ten*ta*cy (?), n. [See Potentate.] Sovereignty. [Obs.]

Po"ten*tate (?), n. [LL. potentatus, fr. potentare to exercise power:

cf. F. potentat. See Potent, a.] One who is potent; one who possesses

great power or sway; a prince, sovereign, or monarch.

The blessed and only potentate.