Oyster card
noun/ˈɔɪstə kɑːd/
/ˈɔɪstər kɑːrd/
- (in Britain) a special electronic ticket like a debit card which passengers can use to travel on public transport in Greater London. Each time the person travels they touch an electronic reader with their card and the cost of the journey is taken from their account.
Check pronunciation:
Oyster card