buckwheat

noun6

1. •
   An Asian plant, of the species Fagopyrum esculentum.
2. •
   The fruit of this plant used as a pseudocereal.

   • I'll need a few things. I'll need some mayonnaise and a silver tin of sardines, a banana. I'll need some buckwheat flapjack mix. — 2017
3. •
   (US) Any of the wild buckwheats in the genus Eriogonum.
4. •
   (slang, offensive) The curly hair of a black person.
5. •
   (slang) Pubic hair.
6. •
   (slang) A slow and painful murder by the Mafia as a warning to others.