Definition of "Nickel" :
noun: a United States coin worth one twentieth of a dollar
noun: five dollars worth of a drug
"A nickel bag of drugs."
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
verb: plate with nickel
"Nickel the plate."