ˌ ̷ ̷ ̷ ̷ˈȯrnə̇s noun
Usage: capitalized
Etymology: New Latin, from ichthy- + -ornis
: the type genus of Ichthyornithidae comprising extinct birds of the Upper Cretaceous that have biconcave vertebrae, articulated quadrate bones, sharp conical teeth set in sockets, well-developed wings, and a keeled sternum and that are similar in size and probably in habits to a tern