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

  • n. A single rail serving as a track for wheeled vehicles traveling on it or suspended from it.
  • n. A railway system using a single rail.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a railroad system where the trains run on one rail
  • n. a train running on a single rail

from The Century Dictionary and Cyclopedia

  • n. A railway in which the cars run on a single rail.

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

  • n. a railway having a single track


From the French monorail. (Wiktionary)



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