drainage

noun

drain·​age ˈdrā-nij How to pronounce drainage (audio)
1
: the act, process, or mode of draining
also : something drained off
2
: a device for draining : drain
also : a system of drains
3
: an area or district drained

Examples of drainage in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The preferred alternative is to construct a single-lane roundabout at the project intersection that will include drainage and lighting improvements. Post-Tribune, Chicago Tribune, 18 June 2025 The lawsuit argues the transportation department failed to maintain drainage systems along the highway, which created a pool of water, around three inches deep, across multiple lanes causing a multi-car collision. Kennedy Sessions, Kansas City Star, 18 June 2025 The plan also involves adding California Highway Patrol observation areas, vehicle pull-out areas, a traffic signal at Noble Road, as well as slope protection and drainage improvements, and improvements to the tidal salt marsh and public access. Adrian Rodriguez, Mercury News, 18 June 2025 The Sullivan Estate vineyard is on the valley floor at the northern edge of the Rutherford appellation, where predominantly gravel, sand, and loam soils provide excellent natural drainage and result in reduced vigor and low yields in a good year; 2021’s was reduced by 30 percent. Mike Desimone, Robb Report, 15 June 2025 See All Example Sentences for drainage

Word History

First Known Use

1652, in the meaning defined at sense 1

Time Traveler
The first known use of drainage was in 1652

Browse Nearby Words

Cite this Entry

“Drainage.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/drainage. Accessed 1 Jul. 2025.

Kids Definition

drainage

noun
drain·​age ˈdrā-nij How to pronounce drainage (audio)
1
a
: the act of draining
b
: something drained off
2
: a method of draining
also : a system of drains

Medical Definition

drainage

noun
drain·​age ˈdrā-nij How to pronounce drainage (audio)
1
: the act or process of drawing off fluids from a cavity or wound by means of suction or gravity
2
: a process of releasing internal conflicts or pent-up feelings (as hostility or guilt)

More from Merriam-Webster on drainage

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