1.
[syn: buckwheat, Polygonum fagopyrum, Fagopyrum esculentum]
2. grain ground into flour;
The Collaborative International Dictionary of English v.0.48:
Buckwheat \Buck"wheat`\, n. [Buck a beech tree + wheat; akin to
D. boekweit, G. buchweizen.]
1. (Bot.) A plant (Fagopyrum esculentum) of the Polygonum
family, the seed of which is used for food.
[1913 Webster]
2. The triangular seed used, when ground, for griddle cakes,
etc.
[1913 Webster]
WordNet (r) 3.0 (2006):
buckwheat
n 1: 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
[syn: buckwheat, Polygonum fagopyrum, Fagopyrum
esculentum]
2: grain ground into flour