plural noun

: 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

Word History


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

First Known Use

1940, in the meaning defined above

Time Traveler
The first known use of Caenagnathiformes was in 1940

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Dictionary Entries Near Caenagnathiformes

Cite this Entry

“Caenagnathiformes.” Dictionary, Merriam-Webster, Accessed 25 Apr. 2024.

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