hesperornis definition

  • noun:
    • A genus of big, extinct, wingless wild birds through the Cretaceous deposits of Kansas, from the Odontornithes. They'd teeth, and were basically carnivorous swimming ostriches. Several species are understood. See Illust. in Append.
    • The typical genus of fossil wild birds associated with family members Hesperornithid√¶.
41 votes

How would you define hesperornis?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!