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milfoil

American  
[mil-foil] / ˈmɪlˌfɔɪl /

noun

  1. yarrow.


milfoil British  
/ ˈmɪlˌfɔɪl /

noun

  1. another name for yarrow

  2. See water milfoil

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of milfoil

1250–1300; Middle English < Old French < Latin mīlifolium, equivalent to mīli-, combining form of mille thousand + folium leaf

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A patch of milfoil sprouting in 18 feet of water.

From Los Angeles Times • May 9, 2022

They gathered mostly to keep company among the ducks and the milfoil harvesters ever busy fighting the lake’s fate as a gooey bog.

From Seattle Times • Dec. 13, 2020

About 5 percent of the state’s lakes are infested with species such as zebra mussels, Eurasian milfoil and starry stonewort.

From Washington Times • Jul. 9, 2017

Stringent efforts are maintained to prevent zebra mussels, milfoil and other invasive species from gaining a toehold.

From New York Times • May 29, 2016

It was only a big dock: but you know the dragon-fly had never seen any but little water-trees; starwort, and milfoil, and water-crowfoot, and such like; so it did look very big to him. 

From The Water-Babies by Kingsley, Charles

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