standage

noun4

1. •
   Room for a train to stand if necessary, e.g. between junctions.

   • […] enhancements at Engine Shed Junction (to give 750-metre clear standage between there and Whitehall East Junction) […] — 2021
2. •
   Space to stand or store railway vehicles, such as a siding.

   • As these [diesel] trains have to be shedded under cover at night, four additional outdoor standage roads are being provided for stabling of electric rolling stock after inspection in the shed. — 1956
3. •
   (old-fashioned) A demurrage charge for wagons not unloaded by the consignee within a reasonable time.
4. •
   (old-fashioned) A reservoir of water accumulated at the bottom of a mine.