sump

About 0.42 uses per million words.

Meaning

1. noun A hollow or pit into which liquid drains, such as a cesspool, cesspit or sink.
2. noun The lowest part of a mineshaft into which water drains.
3. noun A completely flooded cave passage, sometimes passable by diving.
4. noun The crankcase or oil reservoir of an internal combustion engine.
5. noun The pit at the lowest point in a circulating or drainage system (FM 55-501).
6. noun An intentional depression around a drain or scupper that promotes drainage.
7. noun A sudden or heavy fall of rain; a deluge.
8. verb Of a cave passage, to end in a sump, or to fill completely with water on occasion.

   We discovered a new passage, but it sumped after 100 metres.

Similar words

cesspool cesspit sink drainage pit lubrication crankcase bilge except pan

Often followed by

pump and pumps is or of to in oil

Word family

sumps