any plant that is grown for its grain, such as wheat; the grain of these plants

a tall plant grown for its large yellow grains that are used for making flour or eaten as a vegetable; the grains of this plant

The major crops are wheat, barley and corn.

the yellow seeds of a type of corn (maize) plant, also called corn, which grow on thick stems and are cooked and eaten as a vegetable

a small area of hard skin on the foot, especially the toe, that is sometimes painful

See your doctor if you have foot pain or corns.

LEARNit Dictionary