D defs.my
Entry 2 senses Webster, 1913

Disown

/dĭs-ōn'/ · Dis·own · IPA /dɪsˈoʊn/
01 v. t. To refuse to own or acknowledge as belonging to one's self; to disavow or deny, as connected with one's self personally; as, a parent can h…
imp. & p. p. Disowned; p. pr. & vb. n. Disowning
  1. 1.
    To refuse to own or acknowledge as belonging to one's self; to disavow or deny, as connected with one's self personally; as, a parent can hardly disown his child; an author will sometimes disown his writings.
  2. 2.
    To refuse to acknowledge or allow; to deny.
    “Then they, who brother's better claim disown, Expel their parents, and usurp the throne.” Dryden.