noun[C]US(US alsoprime lending rate, US alsoprime interest rate)
Definition
›FINANCE, BANKING, ECONOMICSthe lowest rate of interest that banks charge their best customers for loans over a short period and that is used for calculating the interest rates on other types of loan: The adjustment is based on the highest prime rate listed in the Wall Street Journal during the previous 90 days.The prime rate is used as a base for a wide range of loans to businesses and individuals. → See alsobase rate