Definition of "nutsedge" [nutsedge]

• An invasive perennial sedge, of the genus Cyperus, that has edible, nutlike tubers (noun)

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• "Some of the nut-size tubers are not only tasty but are also a way to control weeds, such as nutsedge, and to grow food crops almost year-round."
• "Even a “weed” nutsedge would be pretty on your blog…"
• "Tuber composition in yellow nutsedge (Cyperus esculentus) and variants."