sump pump

noun

sump pump

noun

1

A pump used for the removal of liquid from a sump or sump pit.

Basements tend to flood, and ours, certainly, was perennially damp, despite the constant workings of the dehumidifier and sump pump.2019 September 17, Edward Snowden, Permanent Record, New York, N.Y.: Metropolitan Books/Henry Holt and Company, →ISBN, page 15:

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