Dis`in*her"i*son (?), n. [See Disinherit, v. t., and cf. Disherison.] Same as Disherison. Bacon.
Dis`in*her"it (?), v. t. [imp. & p. p. Disinherited; p. pr. & vb. n. Disinheriting.] [Cf. Disherit, Disheir.] 1. To cut off from an inheritance or from hereditary succession; to prevent, as an heir, from coming into possession of any property or right, which, by law or custom, would devolve on him in the course of descent.
Of how fair a portion Adam disinherited his whole posterity!
South.