catch basin

noun

Definition of catch basin

1 : a cistern located at the point where a street gutter discharges into a sewer and designed to catch and retain matter that would not pass readily through the sewer
2 : a reservoir or well into which surface water may drain off

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“Catch basin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/catch%20basin. Accessed 7 Mar. 2021.

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