knotweed

noun

knot·​weed ˈnät-ˌwēd How to pronounce knotweed (audio)
: any of several herbs (genus Polygonum) of the buckwheat family with leaves and bracts jointed and having a very short petiole
broadly : polygonum

Examples of knotweed in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The number and size of known patches of Japanese knotweed growing along the San Geronimo and Lagunitas Creek watersheds are still small. Martha Proctor, Mercury News, 1 May 2025 Some of the more popular edible foraging finds in the state include chicken of the woods, fiddleheads, stinging nettle, wild garlic, garlic mustard, Japanese knotweed, Morel mushrooms, huckleberry, elderberry, wild raspberries, blueberries, blackberries and apples. Stephen Underwood, Hartford Courant, 29 Apr. 2025 Elsewhere, including the United States and Britain, knotweed is widely considered a vegetable plague. Zoë Lescaze, New York Times, 13 Apr. 2025 Bonus points for the support from soothing botanicals like frankincense, gotu kola, white birch bark, and knotweed. Annie Blackman, Allure, 9 Apr. 2025 See All Example Sentences for knotweed

Word History

First Known Use

1884, in the meaning defined above

Time Traveler
The first known use of knotweed was in 1884

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Cite this Entry

“Knotweed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/knotweed. Accessed 6 May. 2025.

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