an Italian who was a Benedictine monk; was archbishop of Canterbury from 1093 to 1109; one of the founders of scholasticism; best known for his proof of the existence of God
(Roman Catholic Church) archbishop of Canterbury from 1162 to 1170; murdered following his opposition to Henry II's attempts to control the clergy (1118-1170)
a senior member of the Christian clergy having spiritual and administrative authority; appointed in Christian churches to oversee priests or ministers; considered in some churches to be successors of the twelve Apostles of Christ