Rail
Rail noun - A protective barrier consisting of a horizontal bar and its supports.
Train line and rail are semantically related. In some cases you can use "Train line" instead a noun "Rail".
Train line
Rail and train line are semantically related. You can use "Rail" instead a noun phrase "Train line".
Cite this Source
Train line and Rail. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/rail/train_line
Rail & Train line. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/rail/train_line>.
Train line or Rail. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/rail/train_line.
Google Ngram Viewer shows how "rail" and "train line" have occurred on timeline