Noun
Oyster card (plural Oyster cards)
English Wikipedia has an article on:Oyster cardWikipedia
A contactless smart card, introduced in 2003, used to pay for public transport in the Greater London area.
Well, I suppose I've never really had a lifestyle that needs upkeep. I don't get cabs; I'm on the Tube with my Oyster card. Agyness Deyn
SAN DIEGO – Sept. 7, 2017 – Cubic Transportation Systems (CTS), a business unit of Transport for London (TfL) today announced the launch of the TfL Mobile Ticketing App for Oyster card users in London, England. Source: Internet
When the Oyster card was introduced across most of London’s transport network back in 2003, it heralded a new way of paying to get around the UK’s capital. Source: Internet