plural noun
Sau·​rop·​si·​da | \ -psədə \

Definition of Sauropsida

in some especially former classifications
: a group of vertebrates comprising the reptiles and birds — compare ichthyopsida , mammalia

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 Sauropsida

sauropsidan \ (ˈ)⸗¦⸗sədən \ adjective or noun
sauropsidian \ ¦⸗ˌ⸗¦sidēən \ adjective

History and Etymology for Sauropsida

New Latin, from saur- + Greek opsis appearance + New Latin -ida

Keep scrolling for more

Learn More about Sauropsida

Statistics for Sauropsida

Cite this Entry

“Sauropsida.” Dictionary, Merriam-Webster, Accessed 8 Aug. 2020.

Comments on Sauropsida

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


Test Your Vocabulary

Original Meanings Quiz

  • rembrandt painting a young scholar and his tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?

Bee Cubed

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!