Caenagnathiformes
plural noun
Cae·nag·nath·i·for·mes
¦sēˌnagˌnathəˈfȯrˌmēz,
¦kīˌn-
: 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
Etymology
New Latin, from caen- + agnath- (from a- a- entry 2 + Greek gnathos jaw) + -iformes
First Known Use
1940, in the meaning defined above