plural noun

: an order or other division of Mesozoa comprising minute ciliated vermiform internal parasites of cephalopod mollusks and occurring in a nematogen phase in the young host and in a rhombogen phase in the sexually mature host compare orthonectida

Word History


New Latin, from Dicyema, genus of Mesozoa (from di- + Greek kyēma embryo; from the 2 types of larvae produced at different stages) + -ida

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!

Dictionary Entries Near Dicyemida

Cite this Entry

“Dicyemida.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Dicyemida. Accessed 20 Apr. 2024.

Love words? Need even more definitions?

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