main line definition

  • noun:
    • A principal section of a railroad range.
    • Slang A principal and easily available vein, usually into the supply or knee, into which a drug can be injected.
    • the key path or type of a railway.
    • In longline fishing the main line to which the part outlines with baits are connected.
    • A principal vein into which a drug may be injected.
    • Ahe principal course of a transportation system, such as for instance a railroad or coach range.
    • the key course of a transportation system

Related Sources

  • Definition for "main line"
    • A principal section of a railroad range.
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  • Sentence for "main line"
  • Etymologically Related for "main line"
  • Urban Dictionary for "main line"
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