DCHP-1 Online
borrow pit 
a pit from which fill is taken as ballast for road and railway building.
- 1961 As much of the embankments crossed wide muskegs, they were built of organic materials excavated from the side borrow pits.
- 1961 As much of the embankments crossed wide muskegs, they were built of organic materials excavated from the side borrow pits.