buck‧wheat /ˈbʌkwiːt/
noun [uncountable][
Date: 1500-1600;
Language: Middle Dutch;
Origin: boecweit, from boec 'beech' + weit 'wheat'; because the grains are the same shape as beech-tree seeds]
a type of small grain used as food for chickens, and for making flour
[TahlilGaran] Dictionary of Contemporary English ▲