SINCE 1828
dictionary
thesaurus

Neornithes

plural noun
Save Word
Ne·​or·​ni·​thes | \ nēˈȯrnəˌthēz, ˌnēˌȯrˈnī(ˌ)thēz \

Definition of Neornithes

: a subclass of birds comprising all recent and fossil birds except the Archaeornithes

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 Neornithes

neornithic \ ¦nēˌȯr¦nithik \ adjective

History and Etymology for Neornithes

New Latin, from ne- + -ornithes

Learn More About Neornithes

Dictionary Entries Near Neornithes

Neorican

Neornithes

neoromantic

See More Nearby Entries 

Statistics for Neornithes

Cite this Entry

“Neornithes.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Neornithes. Accessed 13 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

carceral

Listen to the pronunciation of carceral

See Definitions and Examples »

Test Your Vocabulary

Challenging Words You Should Know

  • hedgehog reading a book
  • Often used to describe “the march of time,” what does inexorable mean?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

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

Words at Play
Ask the Editors
Word Games