CORN, noun [G., Latin See Grain.]
1. A single seed of certain plants, as wheat, rye, barley and maiz; a grain. In this sense, it has a plural; as, three barley corns make an inch. It is generally applied to edible seeds, which, when ripe, are hard.
2. The seeds of certain plants in general, in bulk or quantity; as, corn is dear or scarce. In this sense, the word comprehends all the kinds of grain which constitute the food of men and horses. In Great Britain, corn is generally applied to wheat, rye, oats and barley. In the United States, it has the same general sense, but by custom, it is appropriated to maiz. We are accustomed to say, the crop of wheat is good, but the corn is bad; it is a good year for wheat and rye, but bad for corn In this sense, corn has no plural.
3. The plants which produce corn when growing in the field; the stalks and ears, or the stalks, ears and seeds, after reaping and before thrashing. We say, a field of corn a sheaf or a shock of corn a load of corn The plants or stalks are included in the terms corn until the seed is separated from the ears.
4. In surgery, a hard excrescence, or induration of the skin, on the toes or some part of the feet, occasioned by the pressure of the shoes; so called from its hardness and resemblance to a corn
5. A small hard particle. [See Grain.]
CORN, verb transitive
1. To preserve and season with salt in grains; to sprinkle with salt; as, to corn beef.
2. To granulate; to form into small grains.
Webster’s Dictionary, 1828 Version