Definitions for hesperornis
  • Hesperornis (n.) - A genus of large, extinct, wingless birds from the Cretaceous deposits of Kansas, belonging to the Odontornithes. They had teeth, and were essentially carnivorous swimming ostriches. Several species are known. See Illust. in Append.
Words in your word
2 Letter Words
eh en er es he hi ho in is ne no oe oh oi on op or os pe pi re sh si so