D defs.my
Entry 2 senses Webster, 1913

Seigniory

· Seign·ior·y · IPA /ˈsiːnjəɹi/
01 n. The power or authority of a lord; dominion.
pl. -ies ((#))
  1. 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. 2.
    The territory over which a lord holds jurisdiction; a manor.