irrigation

noun

ir·​ri·​ga·​tion ˌir-ə-ˈgā-shən How to pronounce irrigation (audio)
1
: the watering of land by artificial means to foster plant growth
2
: the therapeutic flushing of a body part with a stream of liquid

Examples of irrigation 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.
As with soaker hoses, drip irrigation systems can be covered with mulch to minimize evaporation or runoff. Steve Bender, Southern Living, 5 July 2025 Use efficient irrigation: Drip irrigation is about 95% effective, while sprayer heads are only about 40% effective. Brandi D. Addison, Austin American Statesman, 2 July 2025 Some irrigation systems did a poor job of moistening fringe areas and the grass declined. Tom MacCubbin, The Orlando Sentinel, 28 June 2025 The higher sales projections are based partly on the particularly dry winter and spring San Diego has experienced, which has increased demand for irrigation water from farmers and people with large lawns. David Garrick, San Diego Union-Tribune, 26 June 2025 See All Example Sentences for irrigation

Word History

First Known Use

1612, in the meaning defined at sense 2

Time Traveler
The first known use of irrigation was in 1612

Browse Nearby Words

Cite this Entry

“Irrigation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/irrigation. Accessed 16 Jul. 2025.

Kids Definition

irrigation

noun
ir·​ri·​ga·​tion ˌir-ə-ˈgā-shən How to pronounce irrigation (audio)
: an act or process of irrigating

More from Merriam-Webster on irrigation

Last Updated: - Updated example sentences
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