|sēˌnagˌnathəˈfȯrˌmēz, |kīˌn- noun plural
Usage: capitalized
Etymology: New Latin, from caen- (I) + agnath- (from a- a- (II) + Greek gnathos jaw) + -iformes — more at gnath-
: 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