Search Result for "crabgrass": 
Wordnet 3.0

NOUN (1)

1. grasses with creeping stems that root freely; a pest in lawns;
[syn: crabgrass, crab grass, finger grass]



WordNet (r) 3.0 (2006):

crabgrass
    n 1: grasses with creeping stems that root freely; a pest in
         lawns [syn: crabgrass, crab grass, finger grass]