What is "ouster le main"

Ouster \Oust"er\, n. [Prob. fr. the OF. infin. oster, used substantively. See Oust.] A putting out of possession; dispossession; disseizin; -- of a person.

Ouster of the freehold is effected by abatement, intrusion, disseizin, discontinuance, or deforcement.
--Blackstone.

2. Expulsion; ejection; as, his misbehavior caused his ouster from the party; -- of a person, from a place or group.

Ouster le main. [Ouster + F. la main the hand, L. manus.] (Law) 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.
--Blackstone.

n. (context legal English) 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.