- a plant, especially Fagopyrum esculentum, cultivated for its triangular seeds, which are used as a feed for animals or made into a flour for human consumption, as in pancakes or cereal.
- the seeds of this plant.
- flour made from seeds of buckwheat.
- made with buckwheat flour: buckwheat pancakes.
- any of several polygonaceous plants of the genus Fagopyrum, esp F. esculentum, which has fragrant white flowers and is cultivated, esp in the US, for its seeds
- the edible seeds of this plant, ground into flour or used as animal fodder
- the flour obtained from these seeds
