coupon noun

ADJ. valid This coupon is valid until 31 January. | money-off | entry To enter the competition, fill in the entry coupon on page 6. | clothing, petrol, etc.

VERB + COUPON collect, save She had saved enough coupons to get a free flight. | complete, fill in | post, return, send (off) Cut out and return this coupon to claim your free holiday.