Seign"ior (?), n. [OF. seignor, F. seigneur, cf. It. signore, Sp. senor from an objective case of L. senier elder. See Senior.]
A lord; the lord of a manor.
A title of honor or of address in the South of Europe, corresponding to Sir or Mr. in English.
Grand Seignior, the sultan of Turkey.
© Webster 1913.