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Definition of Railroads
1. railroad [v] - See also: railroad
Medical Definition of Railroads
1. Permanent roads having a line of rails fixed to ties and laid to gage, usually on a leveled or graded ballasted roadbed and providing a track for freight cars, passenger cars, and other rolling stock. Cars are designed to be drawn by locomotives or sometimes propelled by self-contained motors. (12 Dec 1998)