| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Blocked trains | Transportation | Railcars grouped in a train by destination so that segments (blocks) can be uncoupled and routed to different destinations as the train moves through various junctions. Eliminates the need to break up a train and sort individual railcars at each junction. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
