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.

Able to be irrigated.

(transitive) To supply (farmland) with water, by building ditches, pipes, etc. / (transitive) To clean (a wound) with a fluid.

plural of irrigant

(hygiene) A personal hygiene practice which involves flooding the nasal cavity with warm saline solution (salt water).

plural of nasal irrigation

drip irrigation