crabgrass
noun
crab·grass
ˈkrab-ˌgras 
: a grass (especially Digitaria sanguinalis) that has creeping or decumbent stems which root freely at the nodes and that is often a pest in turf or cultivated lands
Examples of crabgrass in a Sentence
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Common types are crabgrass, goosegrass, giant foxtail, smooth pigweed, common lambs quarters, purslane, galinsoga, common ragweed, and tall morning glory.
—
Mary Marlowe Leverette, Southern Living, 14 Mar. 2026
However, corn gluten meal is also an organic, pre-emergent herbicide that can make quick work of troublesome crabgrass and other weeds in lawns and gardens.
—Lauren Landers, Better Homes & Gardens, 11 Mar. 2026
Depending on the adjusted last frost, be prepared to tackle crabgrass and other noxious weeds a week to two weeks earlier or later than in previous years.
—Nadia Hassani, The Spruce, 3 Mar. 2026
For example, crabgrass preventer products may be on sale in February, but they should not be applied to a lawn until late April, about the time the redbuds bloom.
—Beth Botts, Chicago Tribune, 28 Feb. 2026
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Mary Marlowe Leverette, Southern Living, 14 Mar. 2026
However, corn gluten meal is also an organic, pre-emergent herbicide that can make quick work of troublesome crabgrass and other weeds in lawns and gardens.
—Lauren Landers, Better Homes & Gardens, 11 Mar. 2026
Depending on the adjusted last frost, be prepared to tackle crabgrass and other noxious weeds a week to two weeks earlier or later than in previous years.
—Nadia Hassani, The Spruce, 3 Mar. 2026
For example, crabgrass preventer products may be on sale in February, but they should not be applied to a lawn until late April, about the time the redbuds bloom.
—Beth Botts, Chicago Tribune, 28 Feb. 2026
See All Example Sentences for crabgrass
Cite this Entry
“Crabgrass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crabgrass. Accessed 20 Mar. 2026.
Copy CitationKids Definition
crabgrass
noun
crab·grass
ˈkrab-ˌgras
: a weedy grass with creeping or sprawling stems that root freely at the nodes
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