trunk line



a major long-distance transportation line.

Origin of trunk line

First recorded in 1850–55 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for trunk line

Historical Examples of trunk line

  • The problem of that Eastern road of a dozen years ago is to-day that of virtually every trunk-line of the Northeast.

    Our Railroads To-Morrow

    Edward Hungerford

  • National participation, however, should be confined to trunk-line systems.

  • Before the panic of 1857 the trunk-line railways had completed their net of tracks between the Mississippi and tidewater.

    The New Nation

    Frederic L. Paxson

  • It now looks as if they were the only way through for a majority of the trunk-line railroads.

    The Railroad Problem

    Edward Hungerford

  • As far back as the early fifties this great work of rebuilding the trunk-line railroads was begun.

    The Modern Railroad

    Edward Hungerford

British Dictionary definitions for trunk line

trunk line


a direct link between two telephone exchanges or switchboards that are a considerable distance apart
the main route or routes on a railway
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012