Hesperornithiformes

plural noun

Hes·​per·​or·​nith·​i·​for·​mes
ˌhespə(ˌ)rȯrˌnithəˈfȯrˌmēz
: an order of extinct aquatic birds (superorder Odontognathae) including the genus Hesperornis and related Cretaceous forms

Word History

Etymology

New Latin, from Hesperornith-, Hesperornis + -iformes

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Dictionary Entries Near Hesperornithiformes

Cite this Entry

“Hesperornithiformes.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Hesperornithiformes. Accessed 12 Apr. 2024.

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