SINCE 1828
dictionary
thesaurus
view recents

Rissoidae

plural noun
Save Word
Ris·​soi·​dae | \ rə̇ˈsōəˌdē, -sȯi(ˌ)dē \

Definition of Rissoidae

: a large family of marine and freshwater snails (suborder Taenioglossa) with a long snout, ciliated tentacles, and eyes on small prominences at the base of the tentacles — see rissoa

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!

History and Etymology for Rissoidae

New Latin, from Rissoa, type genus + -idae

Keep scrolling for more

Learn More about Rissoidae

Statistics for Rissoidae

Cite this Entry

“Rissoidae.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Rissoidae. Accessed 28 Feb. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Comments on Rissoidae

What made you want to look up Rissoidae? Please tell us where you read or heard it (including the quote, if possible).

Show Comments  Hide Comments 

WORD OF THE DAY

deference

Listen to the pronunciation of deference

See Definitions and Examples »

Test Your Vocabulary

February 2021 Words of the Day Quiz

  • squirrel in winter
  • Which is a synonym of perdure?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
AlphaBear 2

Spell words. Make bears.

TAKE THE QUIZ
Love words? Need even more definitions?

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

Words at Play
Ask the Editors
Word Games