Stereornithes

plural noun

Stere·​or·​ni·​thes

ˌsterēˈȯrnəˌthēz,

ˌstir-,

-ˌȯrˈnī(ˌ)thēz

in former classifications

: an artificial or a composite order of very large Miocene Patagonian birds believed to be ratite and mostly included in the order Gruiformes

stereornithic

¦⸗⸗ˌȯr¦nithik

adjective

Word History

Etymology

New Latin, from stere- + -ornithes

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