A*o"ni*an (&asl;*ō"n&ibreve;*an), a. [From Aonia, a part of Bœotia, in Greece.] Pertaining to Aonia, in Bœotia, or to the Muses, who were supposed to dwell there.

Aonian fount, the fountain of Aganippe, at the foot of Mount Helicon, not far from Thebes, and sacred to the Muses.