贴息 tiēxī
(1) [pay interest (in the form of a deduction when selling a bill of exchange,etc.)]∶用期票调换现款时付出利息
(2) [interest so deducted;discount]∶用期票调换现款时所付出的利息
用期票调换现款时付出利息。亦指用期票调换现款时所付出的利息。