crab grass

Từ điển WordNet v3.1 - WordNet Dictionary

noun

grasses with creeping stems that root freely;
a pest in lawns
• Syn:
crabgrass, finger grass
• Hypernyms:
grass
• Hyponyms:
Egyptian grass, crowfoot grass, Dactyloctenium aegypticum, smooth crabgrass, Digitaria ischaemum,
large crabgrass, hairy finger grass, Digitaria sanguinalis
• Member Holonyms:
Digitaria, genus Digitaria