Oxford Dictionary English road train noun noun BrE BrE//ˈrəʊd treɪn// ; NAmE NAmE//ˈroʊd treɪn// (especially Australian English) Types of vehicle Add to my wordlistjump to other resultsa large lorry/truck pulling one or more trailers See related entries: Types of vehicleCheck pronunciation: road train oxfordlearnersdictionaries.com