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cog railway

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noun
  1. a railroad having locomotives with a cogged center driving wheel engaging with a cogged rail, to provide sufficient traction for climbing steeper grades than is possible with ordinary wheels.

Origin of cog railway

An Americanism dating back to 1895–1900
Also called rack railway.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for cog railway

cog railway

cogway

noun
  1. mainly US other terms for rack railway
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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