The Collaborative International Dictionary of English v.0.48:

Eolis \E"o*lis\, n. [L. Aeolis a daughter of [AE]olus, Gr.
   A'ioli`s.] (Zo["o]l.)
   A genus of nudibranch mollusks having clusters of branchial
   papill[ae] along the back. See Ceratobranchia. [Written
   also [AE]olis.] Eon

WordNet (r) 3.0 (2006):

Aeolis
    n 1: an ancient coastal region of northwestern Asia Minor
         (including Lesbos) where the Aeolians founded several
         cities around 1100 BC [syn: Aeolis, Aeolia]