vent pipe

American  

noun

Plumbing.

1. a pipe above a waste pipe or soil pipe that allows gas to escape from the system.

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Etymology

Origin of vent pipe

First recorded in 1855–60

Example Sentences

I didn’t understand how that vent pipe worked at the time, but after a few trips to the local library, I discovered why the pipe was a vital part of the system.

From Seattle Times • Feb. 13, 2023

I’ve been using a superb plumbing vent pipe flashing for years that outperforms the cheaper flashing most roofers and plumbers commonly use.

From Washington Post • Jul. 19, 2022

Flash these pipes as you would any plumbing vent pipe.

From Seattle Times • Jul. 30, 2021

Water department spokesman John DiGiulio says an inspection has indicated that the cause might be a defective vent pipe, part of a plumbing system.

From Seattle Times • Mar. 30, 2019

He’d built the frame from long beams, the roof and walls from decking, the chimney from a vent pipe off a lost steamer, one window from a porthole.

From "Beyond the Bright Sea" by Lauren Wolk