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.
When replanting a shrub or turfgrass, add compost or aged manure to the area to improve the soil’s fertility, structure, and drainage. Mary Marlowe Leverette, Southern Living, 5 July 2026 Locally heavy rain will quickly reduce visibility and result in ponding of water on roadways, standing water in low lying areas, and minor flooding of creeks, streams, and areas of poor drainage. Nc Weather Bot, Charlotte Observer, 5 July 2026 Use plastic or glazed ceramic pots with drainage holes and avoid overcrowding plants in the planter. Lauren Landers, Better Homes & Gardens, 3 July 2026 Journeymen plumbers have demonstrated competence across water supply systems, sanitary drainage and venting, storm drainage, gas piping and appliance connections, and heating systems. Ryan Craig, Forbes.com, 2 July 2026 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 6 Jul. 2026.

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)

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