信しん越えつ本ほん線せんMeaningsNoun1. Shin'etsu Main Line (Gunma-Nagano-Niigata Railway)Kanji used信belief越go beyond本book線lineComposed of信しん越えつregion on Japan Sea side of Japan west of Tokyo; Nagano and NiigataNoun本ほん線せんmain line; trunk lineNoun