plural noun
Ne·​og·​na·​thae | \ nēˈägnəˌthē\

Definition of Neognathae

: a superorder of Neornithes that includes most existing birds and that is characterized by reduction of the median bones of the palate — see palaeognathae

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Other Words from Neognathae

neognathic \ ¦nēˌäg¦nathik \ adjective
neognathous \ (ˈ)nē¦ägnəthəs \ adjective

History and Etymology for Neognathae

New Latin, from ne- + -gnathae

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to corrupt or become corrupted

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