scratch card

Từ điển Oxford Advanced Learner 8th

ˈscratch card [scratch card] BrE NAmE noun
a card that you buy that has an area that you scratch off to find out if you have won some money or a prize

Culture:
Scratch cards are a form of gambling. Although scratch cards have been legal in Britain since 1976 they became especially popular in 1995 as part of the ↑National Lottery. Scratch card prizes are generally smaller than the major National Lottery prizes. Scratch cards have also been part of state lotteries in the US since the 1980s.