ratikassa
Ratikassa is a term often used colloquially in Finland to refer to trams. The word itself is a Finnish colloquialism derived from the Swedish word "Ratt-" meaning wheel, and "-kassa" which is not directly translatable but implies a type of vehicle or carriage in this context. While not an official term, "ratikassa" is widely understood and frequently used by the Finnish public when discussing urban tram systems.
Helsinki, the capital of Finland, has the most extensive tram network in the country, and it is