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
Recent Examples of crabgrass from the Web
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.
Soon, classificational languages were springing up like erudite crabgrass.
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.
First Known Use of crabgrass
CRABGRASS Defined for English Language Learners
Definition of crabgrass for English Language Learners
: a thick type of grass that often grows and spreads quickly in places where it is not wanted
CRABGRASS Defined for Kids
Definition of crabgrass for Students
: a weedy grass with coarse stems that root at the joints
Seen and Heard
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