This page provides all possible meanings and translations of the word crabgrass
Princeton's WordNetRate this definition:(0.00 / 0 votes)
crabgrass, crab grass, finger grass(noun)
grasses with creeping stems that root freely; a pest in lawns
WiktionaryRate this definition:(0.00 / 0 votes)
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.