1. Italian pope from 440 to 461 who extended the authority of the papacy to the west and persuaded Attila not to attack Rome (440-461); [syn: Leo I, St. Leo I, Leo the Great]
WordNet (r) 3.0 (2006):
Leo I
n 1: Italian pope from 440 to 461 who extended the authority of
the papacy to the west and persuaded Attila not to attack
Rome (440-461) [syn: Leo I, St. Leo I, Leo the Great]