noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   Those members of the genus Digitaria, grasses of tropical to temperate climates, which are pests of lawns, mainly from their invasive habits and the fact they die off in the fall and winter, leaving bare patches. countable, uncountable
2. 2
   grasses with creeping stems that root freely; a pest in lawns wordnet
3. 3
   A marine grass of salt marshes, glasswort (Salicornia herbacea) countable, uncountable

   "The herb is also called of divers, Cali articulatum, or jointed Glassewort : in English, Crab-grasse, and Frog-grasse."

Synonyms

All synonyms

crab grassfinger grass

Example

More examples

"Crabgrass will easily and quickly take over an entire garden if it's not kept under control."

Etymology

From crab + grass.

Related phrases

Arizona crabgrassAsian crabgrassCaribbean crabgrassCarolina crabgrassEast Indian crabgrassEggers' crabgrassFlorida crabgrassIndian crabgrassIsle of Pines crabgrassJamaican crabgrassMadagascar crabgrassNatal crabgrass

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.