Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of certain grasses of the genus Digitaria, especially D. sanguinalis or D. ischaemum, widely naturalized in North America.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A member of the genus Digitaria, a grass of tropical to temperate climates, and a major pest of lawns in such climates, mainly from their invasive habits and the fact they die off in the fall and winter, leaving ugly bare patches.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. grasses with creeping stems that root freely; a pest in lawns

Etymologies

crab +‎ grass (Wiktionary)

Examples

  • Beside the Dumpster in the crabgrass was a pallet stacked with new asphalt shingles.

    Freud’s Blind Spot

  • Leading the list of grasses incorrectly identified as crabgrass is tall fescue.

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  • We will not see crabgrass in lawns for several weeks, so any species being called crabgrass right now must be something else.

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  • Pre-emergent weed killers are especially effective on annual weeds, such as crabgrass and annual bluegrass.

    A thick lawn can be yours with just a few steps

  • Journalistic Weeds Blighting America's Political Landscape yahooBuzzArticleHeadline = 'Journalistic Weeds Blighting America\'s Political Landscape'; yahooBuzzArticleSummary = 'Article: When Ben Stein argues that ethical investors must not shun military contractors, he emulates the journalistic weeds, such as "crabgrass" Bill O\'Reilly, "pigweed" Rush Limbaugh and "creeping jenny" Ann Coulter, who have blighted America\'s political landscape.'

    Journalistic Weeds Blighting America's Political Landscape

  • Other plants also are "totally tied up with our culture," he says, even reviled weeds like dandelions, once considered a decorative herb, and noxious grasses such as crabgrass and quackgrass, used to fuel the engines of commerce - horses and mules.

    LJWorld.com stories: News

  • One of the trailers had Christmas decorations laid flat in its crabgrass yard.

    So Much Pretty

  • The fields were dusty and thick with crabgrass, the outfield fence was temporary and collapsing, the umpires teenaged and ambivalent.

    Was Your Little League This Good?

  • Off the sidewalk onto the crabgrass lawn of the schoolhouse, Boland scowls at the building.

    The Last of Boland

  • These computer-modulated binders will stop time, crabgrass, back hair, whatever you've got, but considering they are a $12,625 option, they ought to.

    Mercedes: a Demon of Hurtling Mass

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