mussel

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noun mus·sel \ˈmə-səl\

Definition of mussel

  1. 1 :  a marine bivalve mollusk (especially genus Mytilus) usually having a dark elongated shell

  2. 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

Origin and Etymology of mussel

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


First Known Use: before 12th century


MUSSEL Defined for English Language Learners

mussel

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noun mus·sel \ˈmə-səl\

Definition of mussel for English Language Learners

  • : a type of shellfish that has a long dark shell


MUSSEL Defined for Kids

mussel

play
noun mus·sel \ˈmə-səl\

Definition of mussel for Students

  1. 1 :  a saltwater shellfish that has a long dark shell in two parts and is sometimes used as food

  2. 2 :  a freshwater clam of the United States with shells from which mother-of-pearl is obtained



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