Prætor, a Roman magistrate at first, virtually a third consul, with administrative functions, chiefly judiciary, originally in the city, and ultimately in the provinces as well, so that the number of them increased at one time to as many as 16.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Praed, Winthrop Mackworth * Prætorian Guard