to surrender or relinquish, as sovereign power; to withdraw definitely from filling or exercising, as a high office, station, dignity; as, to abdicate the throne, the crown, the papacy.-to renounce; to relinquish; -- said of authority, a trust, duty, right, etc.-to reject; to cast off.-to disclaim and expel from the family, as a father his child; to disown; to disinherit.-to relinquish or renounce a throne, or other high office or dignity.