| Webster's Online Dictionary |
| Expressions | Definition | ||
| Hopper car | A hopper car is a type of railroad freight car used to transport loose bulk commodities such as coal, ore, grain, etc. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||
| Expressions | Domain | Definition | |
| Hopper car | Mining | A car for coal, gravel, etc., shaped like a hopper, with an opening to discharge the contents. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
