rebate
🇺🇸
/ˈriːbeɪt/
🇬🇧
/ˈriːbeɪt/
Money given back to you because you paid more than needed.
I got a rebate because I was overcharged for the book.
Money taken off the price of an item before you pay.
You can get a $50 rebate if you buy the phone today.