ˌPiccadilly ˈCircus
a round open area in central London, where several streets join together, famous for being very busy, for its advertising signs made of NEON LIGHTs, and for the statue of Eros in its centre. People sometimes say that a place is like Piccadilly Circus to mean that it is very busy.

[TahlilGaran] Dictionary of Contemporary English ▲