Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun sump

3 senses of sump

Sense 1
sump -- (an oil reservoir in an internal combustion engine)
       => reservoir -- (tank used for collecting and storing a liquid (as water or oil))

Sense 2
sump -- (a well or other hole in which water has collected)
       => well -- (a deep hole or shaft dug or drilled to obtain water or oil or gas or brine)

Sense 3
cesspool, cesspit, sink, sump -- (a covered cistern; waste water and sewage flow into it)
       => cistern -- (an artificial reservoir for storing liquids; especially an underground tank for storing rainwater)