Akademik

a widely distributed perennial sedge having small edible nutlike tubers

1. : any of several aggressively weedy sedges of the genus Cyperus; especially : a perennial sedge (C. rotundus) of wide distribution having slender rootstocks that bear small edible nutlike tubers

2. : any of several American sedges of the genus Scleria

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

[1765-75, Amer.]

nut grass,

any sedge of a group having small tuberous roots.