Definition of rolling road in US English:

rolling road

noun

  • 1US. A flat road along which casks of tobacco are rolled. Now historical.

  • 2US. A large conveyor belt functioning as a moving roadway for carrying horses, freight, etc., up an incline. Now historical.

  • 3A dynamometer on which the horsepower of a vehicle is tested by driving rollers which provide friction similar to that of actual driving conditions.

Origin

Early 18th century; earliest use found in Laws of Maryland. Partly from rolling + road, and partly from rolling + road.

Pronunciation

rolling road

/ˈrəʊlɪŋ rəʊd/