Also found in: Thesaurus, Encyclopedia, Wikipedia.
1. (Biography) Aelius (ˈiːlɪəs). 4th century ad, Latin grammarian, who taught Saint Jerome; his textbook Ars Grammatica was used throughout the Middle Ages
2. (Biography) 4th century ad, bishop of Carthage; leader of the Donatists, a heretical Christian sect originating in N Africa in 311 ad