1. (n.) A road or way consisting of one or more parallel series of iron or steel rails, patterned and adjusted to be tracks for the wheels of vehicles, and suitably supported on a bed or substructure.

2. (n.) The road, track, etc., with all the lands, buildings, rolling stock, franchises, etc., pertaining to them and constituting one property; as, a certain railroad has been put into the hands of a receiver.

L branch cable railway cog railway el electric railway elevated elevated railway embankment feeder feeder line gravity-operated railway horse railway junction light railroad line main line metro monorail rack railway rack-and-pinion railway rail rail line railroad roadbed roadway sidetrack siding street railway streetcar line subway switchback terminal terminus track train tram tramline trestle trolley line trunk trunk line tube turnout underground