cou
pon
Plural
coupons
1
a small piece of document that is used for buying things with a lower price
- He forgot to bring the coupon to the supermarket.
- She used a coupon to get 20% off her purchase.
- Coupons can save you a lot of money on groceries.
- The coupon was valid for one month only.
- The website offered a printable coupon for online shoppers.
Synonyms:
2
a test sample of some substance