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|Noun||1.||railway system - line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight|
cable railway, funicular, funicular railway - a railway up the side of a mountain pulled by a moving cable and having counterbalancing ascending and descending cars
cog railway, rack railway - railway for steep mountains; a cogwheel on the locomotive engages cogs on a center rail to provide traction
elevated, elevated railroad, elevated railway, overhead railway, el - a railway that is powered by electricity and that runs on a track that is raised above the street level
line - a commercial organization serving as a common carrier
metro, subway, subway system, underground, tube - an electric railway operating below the surface of the ground (usually in a city); "in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'"
monorail - a railway having a single track
rail - short for railway; "he traveled by rail"; "he was concerned with rail safety"
scenic railway - small railway in an amusement park