noun
grasses with creeping stems that root freely; a pest in lawns
• Syn: ↑crabgrass, ↑finger grass
• Hypernyms: ↑grass
• Hyponyms:
↑Egyptian grass, ↑crowfoot grass, ↑Dactyloctenium aegypticum, ↑smooth crabgrass, ↑Digitaria ischaemum, ↑large crabgrass, ↑hairy finger grass, ↑Digitaria sanguinalis
• Member Holonyms: ↑Digitaria, ↑genus Digitaria
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nounsee egyptian grass
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an annual grass, Digitaria sanguinalis, common in cultivated and waste grounds and often occurring as a pest weed in lawns.
[1590-1600]
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crab grass noun
Any of several weedy annual grasses of the genus Digitaria which take root freely in lawns and gardens
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Main Entry: ↑crab
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crab grass, or crab|grass «KRAB GRAS, -GRAHS», noun.
a coarse grass that spreads rapidly and spoils lawns: »
Letting good lawn grass grow taller is one simple way of combating crab grass (New York Times).
Useful english dictionary. 2012.