: a genus (the type of the family Gyrocotylidae) comprising cestodarian worms with a flattened body, an anterior sucker, and a posterior organ in the form of a frilled rosette and sometimes also including worms in which the rosette is replaced by a contractile cylindrical structure that ends in a strong sphincter compare amphilina

Word History


New Latin, from gyr- + Greek kotylē cup, small vessel

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 Gyrocotyle

Cite this Entry

“Gyrocotyle.” Dictionary, Merriam-Webster, Accessed 11 Dec. 2023.

Love words? Need even more definitions?

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