archaeornis
noun
ar·chae·or·nis
| \ ˌärkēˈȯrnə̇s\
Definition of archaeornis
1
capitalized
: a genus of Upper Jurassic birds (subclass Archaeornithes) having a long feathered tail, showing reptilian characteristics in the absence of a bill, presence of teeth in the jaws, and on the wings three free digits with claws
2
plural -es
: a bird or fossil of the genus Archaeornis
Keep scrolling for more