Ouster /(?)/

Oust·er

Ouster

n.
  1. A putting out of possession; dispossession; disseizin; -- of a person.
    Ouster of the freehold is effected by abatement, intrusion, disseizin, discontinuance, or deforcement.
  2. Expulsion; ejection; as, his misbehavior caused his ouster from the party; -- of a person, from a place or group.

Phrases & Compounds
Ouster le main
A delivery of lands out of the hands of a guardian, or out of the king's hands, or a judgement given for that purpose.