river mussel (English, noun)
expansion: river mussel (plural river mussels)
Senses:
glosses: Certain Any bivalve mollusks of family Unionidae, found in flowing fresh water:
especially of genera Unio and Anodonta, both found in rivers of the central U.S. with a shell lined with mother-of-pearl.
tags: US
glosses: Certain Any bivalve mollusks of family Unionidae, found in flowing fresh water:
especially of species Alathyria jacksoni.
tags: Australia
Forms:
form: river mussels
tags: plural