What is Police Magistrate?

Legal Definition
An inferior judicial officer having jurisdiction of minor criminal offenses, breaches of police regulations, and the like ; so called to distinguish them from magistrates who have jurisdiction in civil cases also, as j'ustices of the peace. People v. Curley, 5 Colo. 416; McDermont v. Dinnie, 6 N. D. 278, 69 N. W. 295.
-- Black's Law Dictionary