Rissoa

noun

Ris·​soa
ˈrisəwə,
rə̇ˈsōə
: a genus (the type of the family Rissoidae) of small snails that live in brackish water and have an acuminate often finely sculptured shell with a corneous operculum

Word History

Etymology

New Latin, after Giovanni A. Risso †1845 French naturalist

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 Rissoa

Cite this Entry

“Rissoa.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Rissoa. Accessed 4 Nov. 2024.

Love words? Need even more definitions?

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