Source : Webster's Revised Unabridged Dictionary (1913)

Odontopteryx \O`don*top"te*ryx\, n. [NL., fr. Gr. 'odoy`s,
   'odo`ntos, a tooth + pte`ryx a wing.] (Paleon.)
   An extinct Eocene bird having the jaws strongly serrated, or
   dentated, but destitute of true teeth. It was found near
   London.