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

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Origin and Etymology of archaeornis

New Latin, from archae- + -ornis


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