dromæognathism

noun /ˌdɹɒmiːˈɒɡnəθɪzm/

<ref name="OED"/> The particular arrangement in palatal structure typified by the emu and the other (now extinct) species of the genus Dromaius.<ref name="OED"/>

Dromæognathism (Gr. , dromaios, a runner : genus-name of the emeu). All the Ratite birds, and the tinamous of Carinate birds, are dromæognathous.

See Also: dromæosaur, (id)