Source : Webster's Revised Unabridged Dictionary (1913)

Lordship \Lord"ship\, n.
   1. The state or condition of being a lord; hence (with his or
      your), a title applied to a lord (except an archbishop or
      duke, who is called Grace) or a judge (in Great Britain),
      etc.

   2. Seigniory; domain; the territory over which a lord holds
      jurisdiction; a manor.

            What lands and lordships for their owner know My
            quondam barber.                       --Dryden.

   3. Dominion; power; authority.

            They which are accounted to rule over the Gentiles
            exercise lordship over them.          --Mark x. 42.

Source : WordNet®

Lordship
     n 1: a title used to address any British peer except a duke and
          extended to a bishop or a judge; "Your Lordship"; "His
          Lordship"
     2: the authority of a lord