Definition of mussel:
- Any one of many species of marine bivalve shells of the genus Mytilus, and related genera, of the family Mytidae. The common mussel ( Mytilus edulis; see Illust. under Byssus), and the larger, or horse, mussel ( Modiola modiolus), inhabiting the shores both of Europe and America, are edible. The former is extensively used as food in Europe.
- Any one of numerous species of Unio, and related fresh- water genera; - called also river mussel. See Naiad, and Unio.
- "The King's Sons", George Manville Fenn.
- "The Pond", Carl Ewald.
- "On the Seashore", R. Cadwallader Smith.