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| sump [ sump ] (plural sumps) |
noun |
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| Definition: |
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1. reservoir for liquid: a low area into which a liquid drains, e.g. a pit or reservoir
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2.
Same as cesspool (sense 1)
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3. U.K. automotive
Same as oil pan
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4. mineral extract drainage reservoir in mine: an area at the bottom of a mineshaft into which water drains and is then pumped away
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5. mineral extract advance excavation: an excavation ahead of the main excavation of a mineshaft or tunnel
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| [15th century. < Middle Dutch somp, Middle Low German sump] |
