プラエトルMeanings1nounpraetor; pretorhistorical termHistorical term for a senior magistrate in ancient Rome, ranking below consul. Used in academic or historical contexts.古こ代だいローマでは、プラエトルは司し法ほうを担たん当とうする高こう官かんだった。In ancient Rome, the praetor was a high official in charge of the judiciary.