noun
Shonan train; medium-distance Tokaido Line train (green and orange)
Colloquial name for the medium-distance trains on the eastern Tokaido Main Line, known for their green and orange livery. Used mainly by rail fans and locals.
湘南電車は東京と熱海の間を走っている。
The Shonan train runs between Tokyo and Atami.
Compound of 湘南 (Shōnan, a coastal region in Kanagawa) and 電車 (train). The term arose colloquially to refer to the distinctive green-and-orange trains serving that area.