Donatus(redirected from St. Donatus)
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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