Focus on the pronunciation of coupon
English definition of “coupon”
/ˈku·pɑn/, /ˈkju-/ n [C]
› a piece of paper that you can use to buy a product or service at a reduced price or to get it free, or to get information: Send in this coupon with your name and address for a free travel brochure. You can collect points from the soda bottles and use them to get discount coupons.