What is the meaning of main line?

noun

  • The principal route of a transportation system. .
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). main line. Retrieved September 21, 2026, from http://smartdefine.org/main_line/definitions/1205721
ChicagoWordNet. 2010. "main line" http://smartdefine.org/main_line/definitions/1205721 (accessed September 21, 2026).
HarvardWordNet 2010, main line, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/main_line/definitions/1205721>.
MLAWordNet. "main line" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/main_line/definitions/1205721>