discountcode
nounUK /ˈdɪskaʊnt kəʊd/
US /ˈdɪskaʊnt koʊd/
A special set of letters or numbers you type in to pay less for something.
She typed the discount code at checkout and saved ten dollars on her shoes.
OTHER MEANINGS
2. A code shared by a store to give online shoppers a lower price.
The store emailed a discount code for free shipping.
3. A password-like string that unlocks a special deal at an online shop.
Enter the discount code before you click pay.
4. A short label used in marketing to track which advert brought in a buyer.
Each flyer had its own discount code so the shop could count the sales.