irrigation
noun/ˌɪɹəˈɡeɪʃən/
Etymology Borrowed from Middle French irrigation, from Latin irrigatio.
1
The act or process of irrigating, or the state of being irrigated; especially, the operation of causing water to flow over lands, for nourishing plants.
- “My father had ideas about conservation long before the United States took it up.[…]You preserve water in times of flood and freshet to be used for power or for irrigation throughout the year. …”1913, Robert Barr, chapter 4, in Lord Stranleigh Abroad: