- noun the process of supplying of water to land to allow plants to grow
- The process or system, and its related equipment, by which water is transported and supplied to otherwise dry land.
- The use of water thus supplied for its intended purpose.
- the artificial supplying and application of water to land with growing crops. Irrigation can be carried out using powered rotary sprinklers, rain guns or spray lines or by channelling water along underground pipes or small irrigation canals from reservoirs or rivers.