nickel

(noun) a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite. Synonyms: Ni, atomic number 28.

(noun) a United States coin worth one twentieth of a dollar.

(noun) five dollars worth of a drug. Synonyms: nickel note. Examples: "A nickel bag of drugs." "A nickel deck of heroin."

(verb) plate with nickel. Example: "Nickel the plate."