An incentive offered to purchasers of a firm's product for payment within a specified time period, such as ten days. The New York Times Financial Glossary
* * *
* * *
cash discount UK US noun [C]
► COMMERCE a reduction in the price of something offered to someone who is willing to pay the whole amount immediately in cash: »
The buyer is entitled to a cash discount of 12%.
Financial and business terms. 2012.