Exheredation \Ex*her`e*da"tion\, n. [L., exheredatio: cf. F. exh['e]r['e]dation.] A disinheriting; disherison. [R.] Syn: exhereditation. [1913 Webster]
EXHEREDATION, civil law. The act by which a forced heir is deprived of his legitimate or legal portion which the law gives him; disinherison. (q.v.)