A flatbed wagon is a wagon with a flat floor and no sides. Load the flatbed wagon.
Anything too big or too odd for a box travels on one, chained down. A flatbed wagon is what carries the loads that close roads when they go by lorry instead.
1nounflatbed wagonA wagon with a flat floor and no sides.
“The flatbed wagon carried a bridge section in one piece.”
flatbed wagon is a wagon.
Practised in Railways