Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A principal section of a railroad line.
  • n. Slang A principal and easily accessible vein, usually in the arm or leg, into which a drug can be injected.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The principal route or line of a railway.
  • n. In longline fishing the central line to which the branch lines with baits are attached.
  • n. A principal vein into which a drug can be injected.

from the GNU version of the Collaborative International Dictionary of English

  • n. Ahe principal route of a transportation system, such as a railroad or bus line.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the principal route of a transportation system

Etymologies

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Examples

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