noun
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the process or a method of draining
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a system of watercourses or drains
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liquid, sewage, etc, that is drained away
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of drainage
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Drainage pipes, fiber cables and piles of sand were left blocking a lane of traffic for more than a year, while the 26-foot deep hole filled with water.
From The Wall Street Journal • Oct. 29, 2025
Drainage in Belfast was originally designed by Victorian engineers as a combined system, with both sewage and storm water flowing through the same pipes.
From BBC • Feb. 27, 2025
Drainage problems cost Santa Anita racing days and the subsequent installation of another brand of synthetic failed to perform adequately under extreme temperatures.
From Washington Times • Jun. 1, 2023
Other drainage-related projects in South Park include added storm water infrastructure and the South Park Drainage and Roadway Partnership with the Seattle Department of Transportation, which will be completed in 2023, SPU said.
From Seattle Times • Jan. 20, 2023
Drainage would help that land; when some of it was drained it would make rich lush meadows and golden grain fields.
From The Childhood of Rome by Lamprey, Louise
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
