According to the definition in Webster's 1913 Dictionary, Praetor Peregrinus was, during the ancient Roman Republic, a magistrate (judge) of cases in which one or both of the parties were foreigners. // Definition According to Cicero, Praetor was a title which designated the consuls as the leaders of the armies of the state. ...
Praetor was also a title of office among the Latins: and it is the name which Livy gives to the strategus of the Achaeans.
The praetor sometimes commanded the armies of the state; and while the consuls were absent with the armies, he exercised their functions within the city.
The Praetor when he administered justice sat on a sella Curulis in a Tribunal, which was that part of the Court which was appropriated to the Praetor and his assessors and friends, and is opposed to the Subsellia, or part occupied by the Judices, and others who were present.