nut·grass, nut grass n.Bot., 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.
Syn: -- nutsedge, nut sedge, Cyperus rotundus.
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Cyperus rotundus
n : a widely distributed perennial sedge having small edible
nutlike tubers [syn: nutgrass, nut grass, nutsedge,
nut sedge]