plural noun
Cae·​nag·​nath·​i·​for·​mes | \ ¦sēˌnagˌnathəˈfȯrˌmēz, ¦kīˌn- \

Definition of Caenagnathiformes

: an order of Canadian Cretaceous birds (Neognathae) known from a single immense jaw and believed to be related to the ostriches though in some respects the jaw resembles that of a toothless dinosaur

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First Known Use of Caenagnathiformes

1940, in the meaning defined above

History and Etymology for Caenagnathiformes

New Latin, from caen- + agnath- (from a- a- entry 2 + Greek gnathos jaw) + -iformes

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The first known use of Caenagnathiformes was in 1940

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Cite this Entry

“Caenagnathiformes.” The Dictionary, Merriam-Webster Inc., Accessed 20 January 2020.

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