Actium n 1: an ancient town on a promontory in western Greece 2: the naval battle in which Antony and Cleopatra were defeated by Octavian's fleet under Agrippa in 31 BC
Actium \Actium\ n. 1. naval battle where Antony and Cleopatra were defeated by Octavian's fleet under Agrippa in 31 BC. [WordNet 1.5]