What is the meaning of corn?

noun

• Tall annual cereal grass bearing kernels on large ears: widely cultivated in America in many varieties; the principal cereal in Mexico and Central and South America since pre-Columbian times.
  • synonyms: maize, Indian corn, Zea mays
• The dried grains or kernels or corn used as animal feed or ground for meal.
• Ears of corn that can be prepared and served for human food.
  • synonyms: edible corn
• A hard thickening of the skin (especially on the top or sides of the toes) caused by the pressure of ill-fitting shoes.
  • synonyms: clavus
• Great Britain. ( any of various cereal plants (especially the dominant crop of the region-wheat in Great Britain or oats in Scotland and Ireland))
• Whiskey distilled from a mash of not less than 80 percent corn.
  • synonyms: corn whiskey, corn whisky
• Something sentimental or trite.
  • usage: "that movie was pure corn"

verb

• Feed (cattle) with corn.
• Preserve with salt.
  • usage: "corned beef"