noun
cable railway; funicular; cable car line
Refers to a railway line that uses a cable for traction, typically a funicular. Often used in proper names like 箱根登山鋼索線.
箱根登山鋼索線は急な斜面を登る。
The Hakone Tozan Cable Car line climbs a steep slope.
ロープウェイ refers to an aerial ropeway (gondola lift), whereas 鋼索線 is a ground-based cable railway.
Compound of 鋼索 (kōsaku, 'steel cable') and 線 (sen, 'line').