- rack: n. ＝arrack.
- railway: n. 1.〔英國〕鐵路；鐵路系統，鐵 ...
- rack railway coach: 齒軌鐵路客車
- railway for steep mountains; a cogwheel on the locomotive engages cogs on a center rail to provide traction
A rack-and-pinion railway (also rack railway, cog railway) is a railway with a toothed rack rail, usually between the running rails. The trains are fitted with one or more cog wheels or pinions that mesh with this rack rail.