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
rate of descent. "Of how
fair a portion Adam disinherited
his intact posterity!" (South)
2. To deprive of heritage; to dispossess. "And
disinherit Chaos, that reigns here." (Milton)
Origin: Cf. Disherit, Disheir.
Source: Websters Vocabulary