English

Noun

dromæognathism ‎(uncountable)

1. (ornithology)^[1] The particular arrangement in palatal structure typified by the emu and the other (now extinct) species of the genus Dromaius.^[1]
   • 1890: Elliott Coues, Handbook of Field and General Ornithology: A Manual of the Structure and Classification of Birds, page 249 (Macmillan)

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

Related terms

• dromæosaur(id) (palæontology)

References

1. 1 2 3 “dromæˈognathism” defined as a derived term of “dromæognathous, a.”, listed in the Oxford English Dictionary [2^nd Ed.; 1989]