Cardiidae

plural noun
Car·​di·​i·​dae | \ kärˈdīəˌdē \

Definition of Cardiidae

: a family of marine bivalve mollusks (order Eulamellibranchia) that have an equivalve ribbed shell with prominent umbones, a large foot adapted for creeping over sandy bottoms, and much-folded gills and that include the true cockles

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 Cardiidae

New Latin, from Cardium, type genus + -idae

Keep scrolling for more

Learn More About Cardiidae

Dictionary Entries Near Cardiidae

Cardigan Welsh corgi

Cardiidae

cardinal

See More Nearby Entries 

Statistics for Cardiidae

Cite this Entry

“Cardiidae.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Cardiidae. Accessed 1 Aug. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

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!