Anodonta

noun

An·​o·​don·​ta

ˌanəˈdäntə

: a large genus of freshwater mussels (family Unionidae) having the hinge teeth rudimentary or wanting and the shell usually thin and fragile

Word History

Etymology

New Latin, from Greek anodont-, anodōn toothless

First Known Use

1809, in the meaning defined above

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