Noun
- 1. buckwheat, Polygonum fagopyrum, Fagopyrum esculentum, herb, herbaceous plant
- usage: a member of the genus Fagopyrum; annual Asian plant with clusters of small pinkish white flowers and small edible triangular seeds which are used whole or ground into flour
- 2. buckwheat, grain, food grain, cereal
- usage: grain ground into flour
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