Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun barleycorn

2 senses of barleycorn

Sense 1
barleycorn -- (a grain of barley)
       => grain, caryopsis -- (dry seed-like fruit produced by the cereal grasses: e.g. wheat, barley, Indian corn)

Sense 2
barley, barleycorn -- (a grain of barley)
       => grain, food grain, cereal -- (foodstuff prepared from the starchy grains of cereal grasses)