King James Dictionary 
1. The state of quality of being a lord hence, a title of honor given to noblemen, except to dukes, who have the title of grace. 2. A titulary compellation of judges and certain other persons in authority and office. 3. Dominion power authority.
They who are accounted to rule over the Gentiles, exercise lordship over them. Mark 10 .
4. Seigniory domain the territory of a lord over which he holds jurisdiction a manor.
What lands and lordships for their owner know my quondam barber.
Webster's Dictionary 
(1): ( n.) 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): ( n.) Dominion; power; authority.
(3): ( n.) Seigniory; domain; the territory over which a lord holds jurisdiction; a manor.