pigweed
noun
pig·weed
| \ ˈpig-ˌwēd
\
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Definition of pigweed
: any of various vigorous weedy plants especially of the goosefoot or amaranth families
Examples of pigweed in a Sentence
Recent Examples on the Web
The scientists are testing the machine on a range of species, including pigweed. — Brooke Borel, Scientific American, "Weeds Are Winning the War against Herbicide Resistance," 18 June 2018 Weed scientist Muthu Bagavathiannian had no trouble finding herbicide-resistant pigweed, which can produce up to a million seeds per plant compared to cotton’s 200 to 300. — Lynn Brezosky, San Antonio Express-News, "A&M cotton research could open new front in war on weeds," 5 July 2018 Herbicide resistance can work in many different ways; take glyphosate-resistant Palmer amaranth (Amaranthus palmeri), or pigweed, for example. — Brooke Borel, Scientific American, "Weeds Are Winning the War against Herbicide Resistance," 18 June 2018 Peppers + Pigweed Leafminers preferred both pigweed and ragweed to pepper plants in a study at the Coastal Plains Experiment Station in Tifton, Georgia. — The Editors Of Organic Life, Good Housekeeping, "26 Plants You Should Always Grow Side-By-Side," 3 Feb. 2017 For five decades, dicamba was used to kill pests such as pigweed at the beginning of the soybean and cotton planting season. — Paul Feldman, kansascity, "High-stakes battle over dicamba pesticide pits farmer against farmer | The Kansas City Star," 3 May 2018 Spiked in the middle of those 17 years of mediocre-to-terrible baseball, 1993 stands out like a single sunflower in an acre of pigweed. — Mike Sielski, Philly.com, "Darren Daulton's death a reminder of how special '93 Phillies really were | Mike Sielski," 8 Aug. 2017 Red root pigweed can be cooked by itself or with other greens. — Cindy Sutter, The Denver Post, "Weeds to pull, or greens to harvest? Turning edible “weeds” into dinner," 7 Apr. 2017 One red root pigweed plant can produce 100,000 seeds that can continue to germinate over the next 15 to 20 years. — Don Sorrell, Cincinnati.com, "Weed control in the vegetable garden," 29 June 2017These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pigweed.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for pigweed
pigweed
noun
pig·weed
| \ ˈpig-ˌwēd
\
\
Medical Definition of pigweed
: any of several plants of the genus Amaranthus (as A. retroflexus and A. hybridus) with pollen that acts as a hay fever allergen