drain·age | \ ˈdrā-nij \

Definition of drainage 

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

Their nutrients will dissolve and leach out of their drainage holes each time that you water. Neil Sperry, star-telegram, "Here’s your gardening to-do list for the second part of the summer," 11 July 2018 Then apply enough water to run from the drainage holes in the bottom of the plant’s container. Tom Maccubbin, OrlandoSentinel.com, "Most tomatoes won't grow in summer in Florida," 7 July 2018 The intention is to keep the drainage hole open but, as long as the pot is draining well, rocks are not necessary. Ellen Nibali, baltimoresun.com, "Garden Q&A: Try these native groundcovers that will keep the deer away," 26 Apr. 2018 The best thing is that there are no drainage holes, meaning no messy water to clean up on the windowsill. Sunset, "10 Self-Watering Pots to Save Time & Precious Resources," 22 Jan. 2018 Here's how to grow your own: Getting Started Select a shallow plastic container with drainage holes, such as a nursery flat or prepackaged-salad box (either clear or opaque plastic boxes work). Willi Evans Galloway, Good Housekeeping, "Microgreens—The Salad You Can Grow Inside Any Time Of The Year," 9 Nov. 2017 According to a news release put out by the city, construction will begin soon on a new drainage project in the Natalie’s Cove and Flamingo Townhomes neighborhoods. Emily Bloch, Sun-Sentinel.com, "Flamingo Townhomes to undergo 'drainage improvement project'," 13 July 2018 Burns on the face, abdomen, or genitals—or any injuries that involve bleeding, drainage, or breaking of the skin—should be treated in a hospital emergency department right away. Amanda Macmillan, Health.com, "This 25-Year-Old's Warning About Fireworks Safety Is Going Viral After a Celebration Left Him Nearly Blind," 3 July 2018 Provide excellent drainage, and once established water moderately. Aphids and fungal spotting may also be a problem. Earl Nickel, SFChronicle.com, "Let this ‘Purple Pixie’ bring a little color to the garden," 29 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'drainage.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of drainage

1652, in the meaning defined at sense 1

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Statistics for drainage

Last Updated

10 Sep 2018

Look-up Popularity

Time Traveler for drainage

The first known use of drainage was in 1652

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More Definitions for drainage



English Language Learners Definition of drainage

: the act or process of draining something : the act or process of removing water or liquid from a place or thing


drain·age | \ ˈdrā-nij \

Kids Definition of drainage

: the act or process of removing a liquid Drainage of the flooded area has begun.


drain·age | \ ˈdrā-nij \

Medical Definition of drainage 

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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More from Merriam-Webster on drainage

Spanish Central: Translation of drainage

Nglish: Translation of drainage for Spanish Speakers

Britannica English: Translation of drainage for Arabic Speakers

Britannica.com: Encyclopedia article about drainage

Comments on drainage

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