See more synonyms for monorail on
  1. a single rail functioning as a track for wheeled vehicles, as railroad or other cars, balanced upon or suspended from it.
  2. a railroad or other transportation system using such a rail.
  3. a vehicle traveling on such a rail.

Origin of monorail

First recorded in 1895–1900; mono- + rail1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for monorail

railway, subway, line, tube, monorail, metro

Examples from the Web for monorail

Historical Examples of monorail

  • Standing up, he stretched and touched the top of the monorail car.

  • He was pointing into the distance and expounding on the merits of the monorail system.

  • But though a jet was faster than the monorail it was also more expensive.

    The Cartels Jungle

    Irving E. Cox, Jr.

  • But Tom kept listening to the subdued click of the monorail—and kept wondering.

    Stand by for Mars!

    Carey Rockwell

  • "I followed you from the monorail station," replied the boy.

    Sabotage in Space

    Carey Rockwell

British Dictionary definitions for monorail


  1. a single-rail railway, often elevated and with suspended cars
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

Word Origin and History for monorail

1897, a hybrid coined from mono- + rail (n.1).

Online Etymology Dictionary, © 2010 Douglas Harper