propretor

noun

In Roman antiquity, a magistrate filling the office and exercising the authority of a pretor, but not holding the titular rank; one who, having discharged the office of pretor at home, was sent into a province to command there with pretorial authority; also, an officer sent extraordinarily into the provinces to conduct the government with the authority of a pretor.

noun

A magistrate who, having been pretor at home, was appointed to the government of a province.

noun

Alternative spelling of proprætor.