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.
What the research shows A study of more than 11,000 people published in The Lancet in 2024 demonstrated that nasal saline irrigation, initiated at the first sign of symptoms and performed up to six times per day, reduced the duration of symptomatic illness by approximately two days. Mary J. Scourboutakos, The Conversation, 14 Nov. 2025 If proper irrigation is provided and temperatures decrease, growth resumes. Mary Marlowe Leverette, Southern Living, 14 Nov. 2025 This discount shall apply only to the primary residence of the user and shall not apply to separate irrigation meters. Arkansas Online, 9 Nov. 2025 Whether through rain, irrigation, or merely watering the lawn, residues are conveyed to the soil, which will eventually reach groundwater. Malana Vantyler, USA Today, 6 Nov. 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 24 Nov. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!