To refuse or reject, as a judge; to challenge that the judge shall not try the cause
To excuse (oneself) or be excused from a criminal or civil proceeding because of conflict of interest For example: A Pro Tem judge may recuse himself from a small claims case because of personal or professional involvement with the party(ies)
challenge or except to a judge as being incompetent or interested, in canon and civil law disqualify oneself (as a judge, for example) in a particular case
the action by a judge in disqualifying him-or herself from hearing a case because of bias, prejudice or self interest The judge's practice of removing him- or herself from a case in which s/he is related to one or more of the parties or in which s/he has some special personal interest
challenge or except to a judge as being incompetent or interested, in canon and civil law