plural noun
Gryl·​lo·​blat·​to·​dea | \ ˌgrilō(ˌ)blaˈtōdēə \

Definition of Grylloblattodea

: a small extremely primitive suborder of Orthoptera often considered a separate order and comprising a few soft-bodied unpigmented wingless insects with long cerci and antennae and commonly no eyes or ocelli that occur near snow in mountains of western North America and Japan and constitute a single family

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!

History and Etymology for Grylloblattodea

New Latin, from Grylloblatta, a genus of insects (from gryllo- —from Latin gryllus cricket— + Latin blatta cockroach) + -odea

Keep scrolling for more

Learn More about Grylloblattodea

Statistics for Grylloblattodea

Cite this Entry

“Grylloblattodea.” Dictionary, Merriam-Webster, Accessed 16 Jan. 2021.

Comments on Grylloblattodea

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


Test Your Vocabulary

Words of Snow and Ice Quiz

  • image1037863653
  • Which of the following refers to thin, bending ice, or to the act of running over such ice?
True or False

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


Anagram puzzles meet word search.

Love words? Need even more definitions?

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