variants or less commonly rhynchocoele
or rhynchocoelom or rhynchocoelome
plural -s
: a tubular cavity that holds the introverted proboscis of a nemertean worm and is sometimes considered homologous with the coelom

Word History


rhynch- + -coel, -coele or coelom, coelome

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 rhynchocoel

Cite this Entry

“Rhynchocoel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rhynchocoel. Accessed 12 Jun. 2024.

Love words? Need even more definitions?

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