Sēign'ior, n.

(seen’yur), n. [Fr. seigneur, O. Fr. seignor, Pr. senher, senhor, Pg. senhor, Sp. señor, It. segnore, signore, from Lat. senior, elder, compar. of senex, senis, old.] A lord; the lord of a manor;—the English equivalent of the Spanish Señor and Italian Signor, which are titles of address corresponding to Sir or Mr. See SIGNOR.

Grand Seignior, the sultan of Turkey.