disinheritanc

from Bouvier's Law Dictionary, Revised 6th Ed (1856)
DISINHERITANCE. The act by which a person deprives his heir of an 
inheritance, who, without such act, would inherit. 
     2. By the common law, any one may give his estate to a stranger, and 
thereby disinherit his heir apparent. Coop. Justin. 495. 7 East, Rep. 106. 
    

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