Definition of "sump"
noun:
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A hollow or pit into which liquid drains, such as a cesspool, cesspit or sink.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
The lowest part of a mine shaft into which water drains.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
A completely flooded cave passage, sometimes passable by diving.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
The crankcase or oil reservoir of an internal combustion engine.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
The pit at the lowest point in a circulating or drainage system.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
An intentional depression around a drain or scupper that promotes drainage.
from Wiktionary, Creative Commons Attribution/Share-Alike License
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verb:
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Of a cave passage, to end in a sump, or to fill completely with water on occasion.
from Wiktionary, Creative Commons Attribution/Share-Alike License
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