sump pump

noun

Definition of sump pump

  1. :  a pump (as in a basement) to remove accumulations of liquid (as water) from a sump pit

Circa 1899

First Known Use of sump pump

circa 1899


SUMP PUMP Defined for English Language Learners

sump pump

noun

Definition of sump pump for English Language Learners

  • : a pump that removes water from underneath a house or building


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