1. Railway for steep mountains; a cogwheel on the locomotive engages cogs on a centre rail to provide traction
   - rack railway

Derived forms: cog railways

Type of: railroad [N. Amer], railroad line [N. Amer], railway [Brit, Cdn], railway line [Brit, Cdn], railway system [Brit, Cdn]

Encyclopedia: Cog railway

• omphalos
• omphaloskepsis
• Omphalotus
• Omphalotus illudens
• omphalus
• Omsk
• on
• on a higher floor
• on a lower floor
• on a regular basis
• on a roll
• on air
• on all fours
• on an individual basis
• on an irregular basis
• on and off
• on approval
• on average
• on base
• on board
• on call
• on camera
• on cloud nine
• on demand
• on earth