[sʌmp], (Noun)

Definitions:
- a pit or hollow in which liquid collects, especially one in the floor of a mine or cave

- the base of an internal combustion engine, which serves as a reservoir of oil for the lubrication system


Phrases:

Origin:
Middle English (in the sense ‘marsh’): from Middle Dutch or Low German sump, or (in the mining sense) from German Sumpf; related to swamp