From Longman Dictionary of Contemporary Englishcash discountˌcash ˈdiscount noun [countable] BBTan amount by which a seller reduces a price if the buyer pays immediately or before a particular date
Examples from the Corpus
cash discount• A note on discount Cash discounts A supplier may offer a cash discount to a retailer who settles his account promptly.• The payment will be costed gross and any retention or cash discount will be accounted for in the financial accounts.• They can not compete with dealers who offer a warranty, cash discount, credit, part-ex and back-up etc.From Longman Business Dictionarycash discountˌcash ˈdiscountCOMMERCE a lower price that is offered for quick payment or payment in cash → discount 