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.

A sump pit is a temporary hole constructed to collect and filter additional water for pumping into the desired drainage area. A sump pit is also known as a sump basin. More generally, a sump is any local depression where water may accumulate. For example, many industrial cooling towers have a built-in sump where a pool of water is used to supply water spray Ò€¦