plural noun
Ne·​og·​na·​thae | \ nēˈägnəˌthē\

Definition of Neognathae

: a superorder of Neornithes that includes most existing birds and that is characterized by reduction of the median bones of the palate — see palaeognathae

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Other Words from Neognathae

neognathic \ ¦nēˌäg¦nathik \ adjective
neognathous \ (ˈ)nē¦ägnəthəs \ adjective

History and Etymology for Neognathae

New Latin, from ne- + -gnathae

Keep scrolling for more

Comments on Neognathae

What made you want to look up Neognathae? Please tell us where you read or heard it (including the quote, if possible).


characterized by aphorism

Get Word of the Day daily email!

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
True or False

Test your knowledge - and maybe learn something along the way.

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!