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.
The beavers slow the flow of water during downpours and create wetlands that hold it back, easing pressure on the drainage system further downstream.
From BBC • Jul. 1, 2026
They expanded the requirements needed in concept plans, including detailed disclosures on water sourcing, energy use and infrastructure, environmental and drainage impacts.
From Salon • Jun. 6, 2026
"They needed to fix the drainage and not just paint it blue to make it look bright."
From Barron's • May 15, 2026
The floors are plastic, punctuated with holes, presumably for drainage.
From Los Angeles Times • May 12, 2026
After the zafra over, I work on drainage ditches for rice, I clear weeds, I cut and burn chaff.
From "Taste of Salt: A Story of Modern Haiti" by Frances Temple
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.
