Definitions for "Hopper Car"
Keywords:  unloaded, haul, freight, railroad, coal
A railroad car, similar to a gondola car, except it has doors at the bottom from which loose material is allowed to flow.
an open-topped train car with a slanted floor and door for easy loading and unloading.
A freight car used for handling dry bulks, with an openable top and one or more openings on the bottom through which the cargo is dumped.
Keywords:  dumper, railcar, floor
A railcar with a dumper in its floor.