irrigation
//ˌɪrɪˈɡeɪʃən//
Noun
1
The artificial supply of water to land or crops to help growth, typically by means of channels, pipes, or sprinklers.
The farmers installed an irrigation system to water their crops during the dry season.
2
The medical process of washing out a body cavity or wound with a stream of water or other fluid.
The doctor performed wound irrigation to remove debris and prevent infection.