crab·​grass | \ ˈkrab-ˌgras \

Definition of crabgrass

: 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

Recent Examples on the Web

Quicker-growing crabgrass will have a harder time outcompeting the rest of your lawn. Jean Nick, Good Housekeeping, "How to Get Rid of Crabgrass Once and for All," 25 June 2018 Quicker-growing crabgrass will have a harder time outcompeting the rest of your lawn. Jean Nick, Good Housekeeping, "Rid Your Yard Of Crabgrass Without Using Harmful Weed Killers," 7 Apr. 2017 Eliminate established crabgrass and resod to prevent seed germination. 22. Tom Maccubbin,, "April in the garden," 31 Mar. 2018 Prune roses and apply crabgrass pre-emergent treatment to lawn when forsythia blooms. idahostatesman, "A gardening to do list for March and April | Idaho Statesman," 21 Mar. 2018 If grassburs and crabgrass have been hallmarks of your lawn in past summers, prevent them by applying Team, Dimension or Halts granules now. Neil Sperry, star-telegram, "Spring has sprung, if the plants are any indication. Here, what needs to be done now | Fort Worth Star-Telegram," 9 Mar. 2018 Autumn provides the right combination of sun and water to quickly germinate grass seed and the cooler temperatures help to kill off crabgrass and other weeds. Joseph Truini, Popular Mechanics, "How to Plant Grass Seed for a New Lawn," 12 Mar. 2018 First, crabgrass is killed by freezing temperatures. Dick Crum, Indianapolis Star, "Dr. Dirt: Tropical plants cannot easily be preserved in fall, winter," 29 Sep. 2017 But goodness keeps bouncing back like crabgrass and cockroaches. Doug Maccash,, "10 monsters you'll only find in New Orleans," 27 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'crabgrass.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of crabgrass

1743, in the meaning defined above

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Time Traveler for crabgrass

The first known use of crabgrass was in 1743

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English Language Learners Definition of crabgrass

US : a thick type of grass that often grows and spreads quickly in places where it is not wanted


crab·​grass | \ ˈkrab-ˌgras \

Kids Definition of crabgrass

: a weedy grass with coarse stems that root at the joints

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More from Merriam-Webster on crabgrass

Rhyming Dictionary: Words that rhyme with crabgrass

Spanish Central: Translation of crabgrass

Nglish: Translation of crabgrass for Spanish Speakers Encyclopedia article about crabgrass

Comments on crabgrass

What made you want to look up crabgrass? Please tell us where you read or heard it (including the quote, if possible).


to deny responsibility for

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