Definition of Oyster card noun from the Oxford Advanced Learner's Dictionary

 

Oyster card

 noun
noun
BrE
 
; NAmE
 
 
jump to other results
(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.