Definitions for mainlineˈmeɪnˌlaɪn, -ˈlaɪn

This page provides all possible meanings and translations of the word mainline

Princeton's WordNetRate this definition:(0.00 / 0 votes)

  1. mainline(verb)

    inject into the vein

    "She is mainlining heroin"

WiktionaryRate this definition:(0.00 / 0 votes)

  1. mainline(Verb)

    To inject (a drug) directly into a vein.

  2. mainline(Adjective)

    normal, principal or standard.

  3. mainline(Adjective)

    Of or pertaining to the principal route or line of a railway

  4. mainline(Adjective)

    Of or pertaining to a surface railway as distinct from an underground, elevated or light rail one.

  5. Origin: * main + line

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