- a pipe for draining liquid waste or excess liquids.
- Plumbing. a pipe for draining away the wastes of a building other than those from water closets.
Compare soil pipe.
Origin of waste pipe
First recorded in 1505–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for waste pipe
Traps will not be permitted on main, vertical, soil or waste-pipe lines.Elements of Plumbing
A waste-pipe, placed at a certain height in the bath, prevented it from overflowing.The Man Who Laughs
You do not expect the major to clear the waste-pipe of his regimental latrines.Shandygaff
Do not let the steam all go roaring out of the waste-pipe in however sacred and blessed emotions.Expositions of Holy Scripture
The living-house itself should not under any circumstances contain either water-tap or waste-pipe of any kind.The Dwelling House
George Vivian Poore
- a pipe to take excess or used water away, as from a sink to a drain