Quick definitions from WordNet (Gregory)

▸ noun:  (Roman Catholic Church) a pope distinguished for his spiritual and temporal leadership; a saint and Doctor of the Church (540?-604)
▸ noun:  the pope who fought to establish the supremacy of the pope over the Church and the supremacy of the Church over the state (1020-1085)
▸ noun:  the pope who sponsored the introduction of the modern calendar (1572-1585)
▸ name:  A male given name (very common: 1 in 226 males; popularity rank in the U.S.: #37)
▸ name:  A surname (common: 1 in 2631 families; popularity rank in the U.S.: #284)
▸ name:  A female given name (rare: 1 in 100000 females; popularity rank in the U.S.: #3270)

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▸ Word origin