nut grass

American  

noun

1. either of two sedges, Cyperus rotundus or C. esculentus, that have small, nutlike tubers and are often troublesome weeds.

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Etymology

Origin of nut grass

An Americanism dating back to 1765–75

Example Sentences

Lasagna mulching is another technique that essentially smothers large sections of nut grass or other weeds, and experts say it’s effective at eliminating those plants.

From Los Angeles Times

Our ancestors may have recognized purple nutsedge — today commonly known as nut grass — for its medicinal properties, said Karen Hardy, study author and Universidad Autònoma de Barcelona archaeology professor.

From Washington Post

There is a grass called nut grass, and another called Parramatta grass, either of which holds its own against anything living or dead.

From Project Gutenberg

Even nut grass has nutty little balls on its roots, which Kent enjoys munching when he pulls them from his garden.

From Los Angeles Times