D defs.my
Entry 1 sense Webster, 1913

Aonian

/(ā̇*ō"nĭ*an)/ · A·o·ni·an · IPA /eɪˈoʊ.ni.ən/
01 a. Pertaining to Aonia, in Bœotia, or to the Muses, who were supposed to dwell there.
  1. 1.
    Pertaining to Aonia, in Bœotia, or to the Muses, who were supposed to dwell there.
Phrases & compounds
Aonian fount — the fountain of Aganippe, at the foot of Mount Helicon, not far from Thebes, and sacred to the Muses.