| nickel | |
| 1. n. A silvery elemental metal with an atomic number of 28 and symbol Ni. | |
| 2. n. (US, Canada) A coin worth 5 cents. | |
| 3. n. (US, slang) Five dollars. | |
| 4. n. (US, slang) Five hundred dollars. | |
| 5. n. (US, slang) or upright the hot nickel) Interstate 5, a highway that runs along the west coast of the United States. | |
| 6. n. (slang) A playing card with the rank of five | |
| 7. n. (US, slang) A five-year prison sentence. | |
| 8. n. (American football) A defensive formation with five defensive backs, one of whom is a nickelback, instead of the more common four. | |
| 9. v. To plate with nickel. | |
