zebra mussel

noun
|Updated on: 16 May 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

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'zebra mussel.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of zebra mussel

1883

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Learn More about zebra mussel


Seen and Heard

What made you want to look up zebra mussel? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

a figure representing a hated person

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a-closeup-of-a-sunflower
  • Which of the following words means “of or relating to summer”?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!