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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Get it down before crabgrass germinates, which is before the soil surface temperature reaches 55 degrees in early- to mid-spring (find soil temperatures here).
—
Arricca Elin Sansone, Southern Living, 6 June 2026
The second category is weeds; these are usually Japanese stiltgrass, crabgrass, and other annual grasses, but there are also perennial weed grasses, such as orchardgrass and quackgrass.
—Nadia Hassani, The Spruce, 23 May 2026
But the grass seed failed to take, and by fall, the only green left was thistles and crabgrass.
—Maggie Slepian, Longreads, 14 May 2026
Finally, hand pull crabgrass as soon as it is spotted.
—Megan Hughes, Better Homes & Gardens, 5 Apr. 2026
See All Example Sentences for crabgrass
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Arricca Elin Sansone, Southern Living, 6 June 2026
The second category is weeds; these are usually Japanese stiltgrass, crabgrass, and other annual grasses, but there are also perennial weed grasses, such as orchardgrass and quackgrass.
—Nadia Hassani, The Spruce, 23 May 2026
But the grass seed failed to take, and by fall, the only green left was thistles and crabgrass.
—Maggie Slepian, Longreads, 14 May 2026
Finally, hand pull crabgrass as soon as it is spotted.
—Megan Hughes, Better Homes & Gardens, 5 Apr. 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 19 Jun. 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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