ˌhespə(ˌ)rȯrˌnithəˈfȯrˌmēz noun plural
Usage: capitalized
Etymology: New Latin, from Hesperornith-, Hesperornis + -iformes
: an order of extinct aquatic birds (superorder Odontognathae) including the genus Hesperornis and related Cretaceous forms
ˌhespə(ˌ)rȯrˌnithəˈfȯrˌmēz noun plural
Usage: capitalized
Etymology: New Latin, from Hesperornith-, Hesperornis + -iformes
: an order of extinct aquatic birds (superorder Odontognathae) including the genus Hesperornis and related Cretaceous forms
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012