plural noun
Ric·​i·​nu·​lei | \ ˌrisᵊnˈ(y)ülēˌī \

Definition of Ricinulei

: a small order of Arachnida comprising living and fossil forms with an oval hard body bearing a large movable hood that folds down in front over the mouthparts

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 Ricinulei

ricinuleid \ -​ēə̇d \ noun or adjective

History and Etymology for Ricinulei

New Latin, plural diminutive of Latin ricinus tick

Keep scrolling for more

Learn More about Ricinulei

Statistics for Ricinulei

Cite this Entry

“Ricinulei.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Ricinulei. Accessed 11 Aug. 2020.

Comments on Ricinulei

What made you want to look up Ricinulei? 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?

Syn City

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!