(historical) An ancient region in Greece: possibly Boeotia, or possibly the part of Boeotia containing the mountains Helicon and Cithaeron, and thus sacred to the Muses, whom Ovid calls the Aonides.

(Ancient Greece) Pertaining to Aonia, or to the Muses, who were supposed to dwell there.

An inhabitant of Aonia.

plural of Aonian