The Collaborative International Dictionary
Aliethmoidal
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.
Wiktionary
aliethmoidal
a. (context anatomy English) Relating to expansions of the ethmoid bone or cartilage.