Meaning of NICKEL in English

(COIN) [noun] [C] - a US or Canadian coin worth five cents(US) If something is nickel-and-dime it is unimportant, esp. because it does not involve much money.a nickel-and-dime dispute(US) To nickel-and-dime something is to damage or weaken it either by taking away many small amounts of money or by giving too much attention to details.It may be a small fee, but added together small fees will nickel-and-dime me to death.

Cambridge English vocab.      Кембриджский английский словарь.