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 ugly bare patches.
Origin
crab + grass
Modern English dictionary
Explore and search massive catalog of over 900,000 word meanings.
Word of the Day
Get a curated memorable word every day.
Challenge yourself
Level up your vocabulary by setting personal goals.