Neornithes

plural noun

Ne·​or·​ni·​thes

nēˈȯrnəˌthēz,

ˌnēˌȯrˈnī(ˌ)thēz

: a subclass of birds comprising all recent and fossil birds except the Archaeornithes

neornithic

¦nēˌȯr¦nithik

adjective

Word History

Etymology

New Latin, from ne- + -ornithes

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