mussel
/ˈmʌsəl/ noun B2- A saltwater mussel, usually edible, of the order Mytilida in subclass Pteriomorphia.
- A freshwater mussel, usually edible, of the order Unionida in subclass Palaeoheterodonta.
- Any of certain other bivalves of somewhat similar appearance, such as the zebra mussel and quagga mussel of the family Dreissenidae in subclass Heterodonta.
Plural mussels
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