a United States coin worth one twentieth of a dollar
five dollars worth of a drug; "a nickel bag of drugs"; "a nickel deck of heroin"
a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite
something that provides access (to get in or get out); "they waited at the entrance to the garden"; "beggars waited just outside the entryway to the cathedral"