Donatus(redirected from St. Donatus)
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Donatus(Aelius Donatus) (ē`lēəs dōnät`əs), fl. 353, Roman grammarian; teacher of St. Jerome. His only well-known work, the Ars grammatica [elements of grammar], was throughout the Middle Ages the standard elementary Latin grammar.
1. Auelius . 4th century ad, Latin grammarian, who taught Saint Jerome; his textbook Ars Grammatica was used throughout the Middle Ages
2. 4th century ad, bishop of Carthage; leader of the Donatists, a heretical Christian sect originating in N Africa in 311 ad