water milfoil


: any of a genus (Myriophyllum of the family Haloragaceae) of aquatic herbs with finely pinnate submersed leaves

Examples of water milfoil in a Sentence

Recent Examples on the Web Some of the key species of concern are zebra and quagga mussels, Eurasian water milfoil and spiny water fleas. Paul A. Smith, Milwaukee Journal Sentinel, 20 June 2018

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'water milfoil.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1578, in the meaning defined above

Time Traveler
The first known use of water milfoil was in 1578

Dictionary Entries Near water milfoil

Cite this Entry

“Water milfoil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/water%20milfoil. Accessed 22 Jun. 2024.

More from Merriam-Webster on water milfoil

Love words? Need even more definitions?

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