\O*don`tor*ni*"thes\, n. pl. [NL., fr.Gr. 'odoy`s,
'odo`ntos, a tooth + ?, ?, a bird.] (Paleon.)
A group of Mesozoic birds having the jaws armed with teeth,
as in most other vertebrates. They have been divided into
three orders: Odontolc[ae], Odontotorm[ae], and Saurur[ae].