Indy
noun /ˈɪndi/
/ˈɪndi/
(also Indy racing, IndyCar, Indycar racing)
[uncountable]- motor racing around a track that is raised at both sidesCultureIndy racing is popular in the US. The cars are like those used for the Indianapolis 500. They are very powerful and can go at more than 230 miles/370 kilometres per hour. Drivers compete in a season of races between March and September to win the 'IndyCar Series'.compare Formula One.Word Origin1950s: named after Indianapolis, Indiana (US) where the principal Indy race is held.