river mussel
noun
Any of various large freshwater mussels constituting the family Unionidae, especially of the genera Unio and Pseudanadonta.
Origin
Mid 17th century.
- unresenting
- unreserve
- unreserved
- unreservedly
- unreservedness
- unresident
- unresigned
- unresistable
- unresistably
- unresistance
- unresistant
- unresisted
- unresistible
- unresisting
- unresistingly
- unresolute
- unresolvable
- unresolve
- unresolved
- unresolvedly
- unresolvedness
- unresolving
- unresounding
- unresourceful
- unrespect