Word Study
rush nut
WORDNET DICTIONARY
Noun rush nut has 1 sense
- rush nut(n = noun.plant) chufa, cyperus esculentus, earth almond, ground almond, yellow nutgrass - European sedge having small edible nutlike tubers; Array is a kind of sedge
is a member of cyperus, genus cyperus
For further exploring for "rush nut" in Webster Dictionary Online