Read the dictionary definition of corn. All definitions for this word.
1. something sentimental or trite
1. that movie was pure corn
2. ears of corn that can be prepared and served for human food
3. whiskey distilled from a mash of not less than 80 percent corn
4. 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
5. (Great Britain) any of various cereal plants (especially the dominant crop of the region--wheat in Great Britain or oats in Scotland and Ireland)
6. the dried grains or kernels or corn used as animal feed or ground for meal
7. a hard thickening of the skin (especially on the top or sides of the toes) caused by the pressure of ill-fitting shoes
8. preserve with salt
1. corned beef
9. feed (cattle) with corn