monorail

[ mon-uh-reyl ]

/ ˈmɒn əˌreɪl /

a single rail functioning as a track for wheeled vehicles, as railroad or other cars, balanced upon or suspended from it.

a railroad or other transportation system using such a rail.

a vehicle traveling on such a rail.

Origin of monorail

First recorded in 1895–1900; mono- + rail¹

Suddenly the monorail roared out of the tunnel and into brilliant early-morning sun again.

On the Trail of the Space Pirates |Carey Rockwell
A crossbeam joined them, which was itself a monorail, along which a man-carrying car ran.

Steel |Charles Rumford Walker
The possible fate of these arrested men haunted him all the way home as did the hostile stares of the people in the monorail car.

Cerebrum |Albert Teichner
Here were none of the domed farm buildings, the monorail tracks, the other relics one could find about Homeport.

Star Born |Andre Norton

They can't carry on much of a war—unless the soldiers commute by monorail.

Sjambak |John Holbrook Vance

monorail

/ (ˈmɒnəʊˌreɪl) /

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