Definition of zebra mussel in English:

zebra mussel

Line breaks: zebra mus¦sel


  • A small freshwater bivalve mollusc with zigzag markings on the shell, sometimes becoming a pest due to its blocking of water pipes.
    • Dreissena polymorpha, family Dreissenidae
    More example sentences
    • The Asian clam and the zebra mussel are probably the two most common exotic species, which have been introduced to North American freshwaters.
    • In 1988 the zebra mussel, once confined to the lakes and rivers of Europe, hitched a ride to Lake Erie, presumably in the ballast tanks of a visiting freighter.
    • The zebra mussel, for instance, has spread via ships and boats across Western Europe and North America.

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