What does "sump" mean?
Sump: The cistern or reservoir made at the lowest point of a mine, from which is pumped the water which accumulates there.
Additional senses
- 2.A pond of water for salt works. Knight.
- 3.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.
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Published: 2026-07-17T00:00:00-07:00 · Modified: 2026-07-17T00:00:00-07:00