nickel

Definitions

• (uncountable) A silvery elemental metal with an atomic number of 28 and symbol Ni.
• (US) A coin worth 5 cents.
• (US) Five dollars.
• (US) Five hundred dollars.
• (US) Interstate 5, a highway that runs along the west coast of the United States.
• (slang) A playing card with the rank of five
• (US) A five-year prison sentence.
• (American football) A defensive formation with five defensive backs, one of whom is a nickelback, instead of the more common four.