Saint ("Gregory the Great")a.d. c540–604, Italian ecclesiastic: pope 590–604.
British Dictionary definitions for gregory the great gregory i
Saint, known as Gregory the Great. ?540--604 ad, pope (590--604), who greatly influenced the medieval Church. He strengthened papal authority by centralizing administration, tightened discipline, and revised the liturgy. He appointed Saint Augustine missionary to England. Feast day: March 12 or Sept 3