Mainline
Mainline verb - Inject into the vein.
Trunk line and mainline are semantically related. In some cases you can use "Trunk line" instead a noun "Mainline".
Trunk line
Trunk line noun - A telephone line connecting two exchanges directly.
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Synonyms for Trunk line
Mainline and trunk line are semantically related. Sometimes you can use "Mainline" instead a noun phrase "Trunk line".
Cite this Source
Trunk line and Mainline. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/mainline/trunk_line
Mainline & Trunk line. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/mainline/trunk_line>.
Trunk line or Mainline. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/mainline/trunk_line.
Google Ngram Viewer shows how "mainline" and "trunk line" have occurred on timeline