SINCE 1828
dictionary
thesaurus

Saurischia

plural noun
Save Word
Saur·​is·​chia | \ sȯˈriskēə \

Definition of Saurischia

: an order of archosaurian reptiles comprising the saurischians

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!

First Known Use of Saurischia

1888, in the meaning defined above

History and Etymology for Saurischia

New Latin, from saur- + Latin ischium hip joint + New Latin -ia

Learn More About Saurischia

Time Traveler for Saurischia

Time Traveler

The first known use of Saurischia was in 1888

See more words from the same year

Dictionary Entries Near Saurischia

Saurii

Saurischia

saurischian

See More Nearby Entries 

Statistics for Saurischia

Cite this Entry

“Saurischia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Saurischia. Accessed 21 May. 2022.

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

WORD OF THE DAY

paradox

Listen to the pronunciation of paradox

See Definitions and Examples »

Test Your Vocabulary

Which Word Does Not Belong?

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
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