Word Study
    nutgrass
WORDNET DICTIONARY
Noun nutgrass has 1 sense
- nutgrass(n = noun.plant) cyperus rotundus, nut grass, nut sedge, nutsedge - a widely distributed perennial sedge having small edible nutlike tubers; Array is a kind of sedge
 
is a member of cyperus, genus cyperus
CIDE DICTIONARY
nutgrass, n. 
                                            
                                         A widely distributed perennial plant of the Sedge family (Cyperus rotundus , var. Hydra ), which has slender rootstocks bearing small, edible, nutlike tubers, by which the plant multiplies exceedingly, especially in cotton fields.                                                                                 [1913 Webster]                                                                                                                    
                                                                                    
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