crab grass


noun
  1. an annual grass, Digitaria sanguinalis, common in cultivated and waste grounds and often occurring as a pest weed in lawns.

Origin of crab grass

1
First recorded in 1590–1600

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How to use crab grass in a sentence

British Dictionary definitions for crab grass

crab grass

noun
  1. any of several coarse weedy grasses of the genus Digitaria, which grow in warm regions and tend to displace other grasses in lawns

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