Noun: cog railway
- Railway for steep mountains; a cogwheel on the locomotive engages cogs on a centre rail to provide traction
"Tourists rode the cog railway to the mountain summit";
- rack railway
Derived forms: cog railways
Type of: rail, railroad [N. Amer], railroad line [N. Amer], railway [Brit, Cdn], railway line [Brit, Cdn], railway system [Brit, Cdn]
Encyclopedia: Cog railway