dis·in·her·it / ˌdisinˈherit/ • v. (-her·it·ed , -her·it·ing ) [tr.] change one's will or take other steps to prevent (someone) from inheriting one's property. DERIVATIVES: dis·in·her·i·tance / -ˈheritəns/ n.
To cut off from an inheritance. To deprive someone, who would otherwise be an heir to property or another right, of his or her right to inherit.
A parent who wishes to disinherit a child may specifically state so in a will.