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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Origin and Etymology of caenagnathiformes
New Latin, from 1caen- + agnath- (from a- 2a- + Greek gnathos jaw) + -iformes — more at gnath-
First Known Use: 1940
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