knotgrass

noun

knot·​grass ˈnät-ˌgras How to pronounce knotgrass (audio)
1
: a cosmopolitan prostrate weed (Polygonum aviculare) of the buckwheat family with jointed stems, prominent sheathing stipules, and minute flowers
broadly : any of several congeneric plants
2
: any of several grasses (such as Paspalum distichum) with markedly jointed stems

Examples of knotgrass 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.
This Series should play on a field of gout-wort, grommel and knotgrass. John Hyduk, New York Times, 24 Oct. 2016

Word History

First Known Use

1538, in the meaning defined at sense 1

Time Traveler
The first known use of knotgrass was in 1538

Dictionary Entries Near knotgrass

Cite this Entry

“Knotgrass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/knotgrass. Accessed 22 Dec. 2024.

Love words? Need even more definitions?

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