grainAlso known as a caryopsis, a dry one-seeded fruit, usually containing a high percentage of starch, produced by, for example, corn, oats, barley, rye, and other cereal crops. Grain crops have a high food value, store well, and are a primary food stuff, contributing over half the world's calorie intake. Related category• BOTANYAlso on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History |