Oyster card
English
editEtymology
editMarketing coinage; influences are said to include the security and value of the oyster's shell and pearl, the oyster beds of London's Thames estuary, and the popular idiom the world is one's oyster.
Noun
editOyster card (plural Oyster cards)
- A contactless smart card, introduced in 2003, used to pay for public transport in the Greater London area.