Main line
Main line noun - The principal route of a transportation system.
Trunkline
Mutual synonyms
Cite this Source
Trunkline and Main line. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/main_line/trunkline
Main line & Trunkline. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/main_line/trunkline>.
Trunkline or Main line. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/main_line/trunkline.
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