mussel

noun

mus·​sel ˈmə-səl How to pronounce mussel (audio)
1
: a marine bivalve mollusk (especially genus Mytilus) usually having a dark elongated shell
2
: a freshwater bivalve mollusk (as of Unio, Anodonta, or related genera) that is especially abundant in rivers of the central U.S. and has a shell lined with mother-of-pearl

Examples of mussel in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The wide-ranging menu offers something for everyone, from seafood such as scallops and local mussels to flatbreads and burgers. Lauren Dana Ellman, Travel + Leisure, 2 Jan. 2026 The comforting space offers fare such as biscuits and gravy at breakfast, Artisan’s Grilled Cheese at lunch and mussels in white wine for dinner. Heidi Finley, Charlotte Observer, 31 Dec. 2025 Raw shellfish such as clams, mussels and scallops can contain pathogens picked up from contaminated water. Katia Hetter, CNN Money, 31 Dec. 2025 Per Corriere della Sera, investigators returned to the family home and seized foods, including mussels, cuttlefish, cod, clams and mushrooms, which were sent to the Molise Zooprophylactic Institute in Rome for testing and potential poisoning. Escher Walcott, PEOPLE, 30 Dec. 2025 See All Example Sentences for mussel

Word History

Etymology

Middle English muscle, from Old English muscelle, from Vulgar Latin *muscula, from Latin musculus muscle, mussel

First Known Use

before the 12th century, in the meaning defined at sense 1

Time Traveler
The first known use of mussel was before the 12th century

Browse Nearby Words

Cite this Entry

“Mussel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mussel. Accessed 6 Jan. 2026.

Kids Definition

mussel

noun
mus·​sel ˈməs-əl How to pronounce mussel (audio)
1
: any of various edible saltwater mollusks with a long dark hinged double shell
2
: any of numerous freshwater mollusks of rivers of the central U.S. whose hinged double shells are lined with mother-of-pearl

More from Merriam-Webster on mussel

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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