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sump noun

  /sʌmp/
  • A hollow or pit into which liquid drains, such as a cesspool, cesspit or sink.
 bassin, fosse d'aisances, puisard
  • (automotive) The crankcase or oil reservoir of an internal combustion engine.
 carter d'huile, carter humide
  • (nautical) The pit at the lowest point in a circulating or drainage system (FM 55-501).
  • (construction) An intentional depression around a drain or scupper that promotes drainage.
 puisard
  • A completely flooded cave passage, sometimes passable by diving.
 siphon
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