v. t. [ imp. & p. p. Disseized p. pr. & vb. n. Disseizing. ] [ Pref. dis- + seize: cf. F. dessaisir. ] (Law) To deprive of seizin or possession; to dispossess or oust wrongfully (one in freehold possession of land); -- followed by of; as, to disseize a tenant of his freehold. [ Written also disseise. ] [ 1913 Webster ]

Which savage beasts strive as eagerly to keep and hold those golden mines, as the Arimaspians to disseize them thereof. Holland. [ 1913 Webster ]

n. (Law) A person disseized, or put out of possession of an estate unlawfully; -- correlative to disseizor. [ Written also disseisee. ] [ 1913 Webster ]