MUSSEL
mussel
(noun) marine or freshwater bivalve mollusk that lives attached to rocks etc.
mussel
(noun) black marine bivalves usually steamed in wine
Source: WordNet® 3.1
Etymology
Noun
mussel (plural mussels)
Any of several groups of bivalve shellfish with elongated, asymmetrical shells
fresh water mussels, usually edible, of the order Unionida in subclass Palaeoheterodonta.
salt water mussels, usually edible, of the order Mytilida in subclass Pteriomorphia.
Certain other bivalves of somewhat similar appearance, such as the zebra mussel and quagga mussel of the family Dreissenidae in subclass Heterodonta.
Source: Wiktionary
Mus"sel, n. Etym: [See Muscle, 3.]
1. (Zoöl.)
Definition: Any one of many species of marine bivalve shells of the genus
Mytilus, and related genera, of the family Mytidæ. 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.
2. (Zoöl.)
Definition: Any one of numerous species of Unio, and related fresh-water
genera; -- called also river mussel. See Naiad, and Unio. Mussel
digger (Zoöl.), the grayback whale. See Gray whale, under Gray.
Source: Webster’s Unabridged Dictionary 1913 Edition