What is the meaning of mainline?

verb

  • Inject into the vein.
    • usage: "She is mainlining heroin"
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). mainline. Retrieved September 21, 2026, from http://smartdefine.org/mainline/definitions/1293075
ChicagoWordNet. 2010. "mainline" http://smartdefine.org/mainline/definitions/1293075 (accessed September 21, 2026).
HarvardWordNet 2010, mainline, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/mainline/definitions/1293075>.
MLAWordNet. "mainline" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/mainline/definitions/1293075>