water milfoil

noun

Definition of 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, "Smith: Quagga mussels, Eurasian water milfoil, spiny water fleas ... and a catchy tune," 20 June 2018

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

First Known Use of water milfoil

1578, in the meaning defined above

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Time Traveler for water milfoil

The first known use of water milfoil was in 1578

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