ir·ri·ga·tion | \ˌir-ə-ˈgā-shən \

Definition of irrigation 

1 : the therapeutic flushing of a body part with a stream of liquid

2 : the watering of land by artificial means to foster plant growth

Examples of irrigation in a Sentence

Recent Examples on the Web

The San Antonio Water System is now in Stage 2 drought restrictions, which limits outdoor water consumption by shortening the hours people can use irrigation systems, sprinklers and soaker hoses. Austin Horn, San Antonio Express-News, "After a hot and dry June, the forecast is largely unchanged," 4 July 2018 The six businesses that Nug is incubating will eventually have 1,200 square feet of space in automated greenhouses that will be equipped with augmented lighting and an irrigation system on a lot in East Oakland. Otis R. Taylor Jr., San Francisco Chronicle, "For Oakland’s equity pot firms, finding space to grow is slow," 11 June 2018 There is an in-ground irrigation system on the lawn to keep the grass green. Betsy Klein, CNN, "Let it sink in: The White House sinkhole is no more," 29 May 2018 Wait until after a rain or irrigation and put down the weed killer. Walter Reeves, ajc, "Wisteria takes persistence to control," 27 June 2018 By contrast, a patch of red signals danger, spotting a potato field, say, that’s starved for irrigation or fertilizer. Shawn Tully, Fortune, "This Agriculture Giant Is Bringing in the Drones to Modernize Farming From Cornfields to Vineyards," 19 June 2018 The next step will be to present the plans to the county zoning administrator and, if approved, the project will advance to preparation of construction documents to include architectural and structural designs, landscaping and irrigation. Julie Gallant, Ramona Sentinel, "Planners approve cell trees, car wash, street upgrades," 12 June 2018 Much of the capital spending is for infrastructure projects that might not be readily visible to most residents, such as automating water meters and irrigation. Jerod Macdonald-evoy, azcentral, "From pickleball to bikepaths: What's in the Tempe budget for you," 12 June 2018 Holding onto that rain can recharge soil moisture, cut down on outside water use and create lasting savings on irrigation. Taryn Luna And Alexei Koseff, sacbee, "Get ready to save water: Permanent California restrictions approved by Gov. Jerry Brown," 31 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'irrigation.' 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 irrigation

1612, in the meaning defined at sense 1

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Last Updated

3 Oct 2018

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Time Traveler for irrigation

The first known use of irrigation was in 1612

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ir·ri·ga·tion | \ˌir-ə-ˈgā-shən \

Kids Definition of irrigation

: an act or process of supplying with water or cleaning with a flow of liquid

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