Sump (cave), a permanently flooded section of a cave, where an underground flow of water exits the cave into the earth such that the caver must submerge under water to reach the other side

The meaning of SUMP is a pit or reservoir serving as a drain or receptacle for liquids. How to use sump in a sentence.

If you live in an area prone to heavy rainfall or flooding, you'll want a sump pump with a high discharge flow. This ensures it can keep up with the water inflow and prevent your basement from flooding.

Sep 26, 2025 · The word “sump” means pit, so a sump pump transfers water from a low-lying area (pit) to a place where it can drain safely away. You’ll often find one in a home’s basement or crawl space.

sump (sʌmp) n. 1. a pit, basin, cesspool, etc., in which liquid is collected or into which it drains. 2. a chamber at the bottom of a machine, pump, etc., into which a fluid drains before recirculation or in …

SUMP definition: a pit, well, or the like in which water or other liquid is collected. See examples of sump used in a sentence.

In short, estuaries and tidal waters are the sump and not a conduit of the flow system used in water management.