(noun) Roman emperor who succeeded Tiberius and whose uncontrolled passions resulted in manifest insanity; noted for his cruelty and tyranny; was assassinated (12-41)
Definitions for Octavian
(noun) Roman statesman who established the Roman empire and became emperor in 27 BC; defeated Mark Antony and Cleopatra in 31 BC at Actium (63 BC - AD 14)