n. Magistracy.n. An administrator of the law; one who possesses jurisdiction or executive authority in matters of civil government; an executive or judicial officer holding the power of decision and disposal in regard to subjects within his cognizance: as, a king is the first magistrate of a monarchy; in the United States the President is often called the chief magistrate; the magistrates of a state or city; civil or judicial magistrates.n. Specifically, a minor judicial officer; a justice of the peace, or a police justice; in Scotland, a provost or a bailie of a burgh: as, to be brought before the bar of the local magistrate.n. In the New Testament, a Roman military governor or pretor.