mussel

[ muhs-uh l ]
/ ˈmʌs əl /

noun

any bivalve mollusk, especially an edible marine bivalve of the family Mytilidae and a freshwater clam of the family Unionidae.

Origin of mussel

before 1000; Middle English, Old English muscle < Vulgar Latin *mūscula, variant of Latin mūsculus little mouse, sea mussel. See muscle
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Examples from the Web for mussel

British Dictionary definitions for mussel

mussel

/ (ˈmʌsəl) /

noun

any of various marine bivalves of the genus Mytilus and related genera, esp M. edulis (edible mussel), having a dark slightly elongated shell and living attached to rocks, etc,
any of various freshwater bivalves of the genera Anodonta, Unio, etc, attached to rocks, sand, etc having a flattened oval shell (a source of mother-of-pearl). The zebra mussel, Dreissena polymorpha, can be a serious nuisance in water mains

Word Origin for mussel

Old English muscle, from Vulgar Latin muscula (unattested), from Latin musculus, diminutive of mūs mouse
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012