Sump n.
1. Metal. A round pit of stone, lined with clay, for receiving the metal on its first fusion.
2. The cistern or reservoir made at the lowest point of a mine, from which is pumped the water which accumulates there.
3. A pond of water for salt works.
4. A puddle or dirty pool. [Prov. Eng.]
Sump fuse, a fuse used in blasting under water.
Sump men Mining, the men who sink the sump in a mine.
◄ ►