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
plural -es : a bird or fossil of the genus Archaeornis

Word History


New Latin, from archae- + -ornis

First Known Use

1927, in the meaning defined at sense 1

Time Traveler
The first known use of archaeornis was in 1927

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Dictionary Entries Near archaeornis

Cite this Entry

“Archaeornis.” Dictionary, Merriam-Webster, Accessed 25 May. 2024.

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