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Stereornithes

plural noun Stere·or·ni·thes \ ˌsterēˈȯrnəˌthēz , ˌstir- , -ˌȯrˈnī(ˌ)thēz \

Definition of Stereornithes

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
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stereornithic

adjective

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Origin and Etymology of stereornithes

New Latin, from stere- + -ornithes

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