Definition from Wiktionary, the free dictionary
- (transitive) To refuse to own or to refuse to acknowledge one’s own.
- Lord Capulet and his wife threatened to disown their daughter Juliet if she didn't go through with marrying Count Paris.
- (transitive, computing, Unix) To detach (a job or process) so that it can continue to run even when the user who launched it ends his/her login session.
Particularly used of parents regarding their children, and stronger than the similar estrange, which can also be used of children regarding their parents, or of siblings.
to refuse to own