back vent

noun

Definition of back vent

: a ventilating pipe attached to a waste pipe on the sewer side of its trap to prevent siphonage

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Other Words from back vent

back venting noun

First Known Use of back vent

1915, in the meaning defined above

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Time Traveler for back vent

Time Traveler

The first known use of back vent was in 1915

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Dictionary Entries Near back vent

backveld

back vent

backward

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Cite this Entry

“Back vent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/back%20vent. Accessed 5 Dec. 2021.

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