a railroad freight car having no enclosing sides or top; a flatcar.
Origin of platform car
An Americanism dating back to 1835–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for platform car
Historical Examples of platform car
On the platform-car he found the soldiers and their commander, sitting silent and unconcerned as before.