/aw gus"teuhs, euh gus"-/ , n.
1. Also called Octavian (before 27 B.C.) ( Gaius Julius Caesar Octavianus, Augustus Caesar ), 63 B.C.-A.D. 14, first Roman emperor 27 B.C.-A.D. 14: reformer, patron of arts and literature; heir and successor to Julius Caesar.
2. a title of office given to rulers of the Roman Republic after Octavianus.
3. a male given name.
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