Source : Webster's Revised Unabridged Dictionary (1913)

Seignior \Seign"ior\, n. [OF. seignor, F. seigneur, cf. It.
   signore, Sp. se[~n]or from an objective case of L. senier
   elder. See {Senior}.]
   1. A lord; the lord of a manor.

   2. 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.

Source : WordNet®

seignior
     n : a man of rank in the ancien regime [syn: {feudal lord}, {seigneur}]