zebra mussel

noun
|Updated on: 25 Jul 2018

Definition of zebra mussel

: a chiefly freshwater Eurasian lamellibranch mollusk (Dreissena polymorpha) that was accidentally introduced into the Great Lakes and has spread to other waterways where it colonizes and clogs water intake pipes and competes with native fish for food

Recent Examples of zebra mussel from the Web

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First Known Use of zebra mussel

1883

in the meaning defined above

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