Word Study
crab grass
WORDNET DICTIONARY
Noun crab grass has 1 sense
- crab grass(n = noun.plant) crabgrass, finger grass - grasses with creeping stems that root freely; a pest in lawns; Array is a kind of grass
has particulars: crowfoot grass, dactyloctenium aegypticum, egyptian grass, digitaria ischaemum, smooth crabgrass, digitaria sanguinalis, hairy finger grass, large crabgrass
is a member of digitaria, genus digitaria
For further exploring for "crab grass" in Webster Dictionary Online