Black's Law Dictionary (2nd edition)dictionaries

Duplex Querela

A donble com-plalnt An ecclesiastical proceeding, which is in the nature of an appeal from an ordi-nary’s refusal to institute, to hls next im-mediate superior; as from a bishop to the archbishop. If the superior adjudges the cause of refusal to be insufficient, he will grant institution to the appellant Phillim. Ecc. Law’, 440

Source: Black’s Law Dictionary 2nd Ed (1910)