back vent

noun

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

Word History

First Known Use

1915, in the meaning defined above

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

See More Nearby Entries 

Cite this Entry

“Back vent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/back%20vent. Accessed 26 Nov. 2024.

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