Monorail

//ˈmɑnəɹeɪl// noun

Definitions

Noun
  1. 1
    a railroad system where the trains run on one rail
  2. 2
    a railway having a single track wordnet
  3. 3
    a train running on a single rail

Etymology

Borrowed from French monorail, equivalent to mono- + rail.

Next best steps

Mini challenge

Unscramble this word: monorail