Tokyo Metropolitan Tramway; metropolitan tram
Refers specifically to the tram system operated by the Tokyo Metropolitan Government, especially the Toden Arakawa Line. Often used in historical contexts or when discussing Tokyo's remaining tram line.
The Toden Arakawa Line is the only remaining tram line in Tokyo.
In the past, metropolitan trams ran all over Tokyo.
Abbreviation of 東京都電車 (Tōkyō-to densha, 'Tokyo Metropolitan Tram'). The kanji 都 (to, 'metropolis') refers to the Tokyo Metropolitan Government, and 電 (den, 'electric') is short for 電車 (densha, 'electric train/tram').