flatcar
/ˈflætˌkɑr/
noun
- A railroad car with a flat platform and no sides or roof, used for carrying heavy or large items like lumber, machinery, or containers.
- From the bridge, we could see a flatcar carrying colorful shipping containers.
- Workers secured the tractor onto the flatcar with chains before the train departed.
- The train had several flatcars loaded with steel beams for the construction site.