bank reserves
noun[plural]
ECONOMICS,BANKINGukusanamountofmoneyequalto apercentageoftheirtotaldeposits(=moneyput into abank)thatbanksmust haveavailableforcustomersto take out:
US Federal Reserveofficialsare relying oninterestpaidonbankreservestohelpsteminflationoncetheeconomystabilizes.