Seign″ior‐y (?), n.; pl.-ies (#). [OE. seignorie, OF. seigneurie, F. seigneurie; cf. It. signoria.] 1. The power or authority of a lord; dominion.
O'Neal never had any seigniory over that country but what by encroachment he got upon the English. Spenser.
2. The territory over which a lord holds jurisdiction; a manor. [Written also seigneury, and seignory.]