a convoy of motor vehicles.
a fleet of motor vehicles traveling together in line.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use road-train in a sentence
Every one who possibly could would grow or fatten something when he could just put it on a road train, and send it off to market.Field and Hedgerow | Richard Jefferies
The projected road train is flexible and capable of coming to the crops.Field and Hedgerow | Richard Jefferies
They found the cross-road train, entered, and took their seats.Anne | Constance Fenimore Woolson
The rail road train made the transit from Springfield to Hartford, 26 miles, in 33 minutes.The Every Day Book of History and Chronology | Joel Munsell
British Dictionary definitions for road train
Australian a line of linked trailers pulled by a truck, used for transporting stock, etc
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