Ichthyornis
Pronunciation : Ich`thy*or"nis
Part of Speech : n.
Etymology : [NL., fr. Gr. (Paleon.)
Definition : Defn: An extinct genus of toothed birds found in the American Cretaceous formation. It is remarkable for having biconcave vertebr?, and sharp, conical teeth set in sockets. Its wings were well developed. It is the type of the order Odontotorm
Source : Webster's Unabridged Dictionary, 1913