praetor fideicommissarius (pree-t[schwa]r fI-dee-I-kom-[schwa]-sair-ee-[ schwa]s). A special praetor having jurisdiction over cases involving trusts.
praetor
praetor (pree-t[schwa]r), n. [Latin] Roman law. The magistrate responsible for identifying and framing the legal issues in a case and for ordering a lay judge (judex) to hear evidence and decide the case in accordance with the formula. See FORMULA(1).