aliethmoidal

from The Collaborative International Dictionary of English v.0.48

Aliethmoid \Al`i*eth"moid\, Aliethmoidal \Al`i*eth*moid"al\, a.
   [L. ala wing + E. ethomoid.] (Anat.)
   Pertaining to expansions of the ethmoid bone or cartilage.
   [1913 Webster]