This document provides definitions for 18 terms related to medieval Europe. It defines noble as a person of high birth or title. It defines hierarchy as a system that organizes people into ranks with higher ranks having more power. It defines armor as a metal or leather covering worn for protection during fighting. It defines the pope as the bishop of Rome and leader of the Roman Catholic Church. It goes on to define additional terms related to feudalism such as knight, monarch, fief, divine right of kings, lord, manor, peasant, and duke. It also defines concepts like Christianity, moat, barbarian, and the roles of the monarch, lord/vassal, knight, and peasant in feudal