[lee-oh; Italian le-aw]
- Saint,Leo the Great, a.d. c390–461, Italian ecclesiastic: pope 440–461.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- Saint, known as Leo the Great. ?390–461 ad, pope (440–461). He extended the authority of the papacy in the West and persuaded Attila not to attack Rome (452). Feast day: Nov 10 or Feb 18