plural noun
Cryp·to·di·ra | \ˌkriptəˈdīrə\

Definition of Cryptodira 

in some classifications

: a suborder of Thecophora comprising turtles that bend the neck in a vertical plane in order to retract it into the shell

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 Cryptodira

cryptodiran \¦⸗⸗¦⸗rən \ adjective or noun
cryptodire \ˈ⸗⸗ˌdī(ə)r \ noun plural -s
cryptodirous \¦⸗⸗¦dīrəs \ adjective

History and Etymology for Cryptodira

New Latin, from crypt- + -dira (from Greek deirē neck); akin to Latin vorare to devour

Keep scrolling for more

Learn More about Cryptodira

Share Cryptodira

Statistics for Cryptodira

Look-up Popularity

Comments on Cryptodira

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


not any or not one

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
True or False

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

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!