A narrow gauge is a railway with rails closer together than usual. Ride the narrow gauge.
It turns tighter corners and costs far less to build through mountains. A narrow gauge line means everything must be unloaded where it meets a wider one.
1nounnarrow gaugeA railway with rails closer together than usual.
“The narrow gauge climbed the valley in a series of hairpins.”
narrow gauge is a railway.
Practised in Railways