noun

irrigation

ir-ih-GAY-shuhn/ˌɪrɪˈɡeɪʃn/

The controlled delivery of liquid over an area.

The supply channel provides irrigation by directing water into the crop furrows.

A small cutaway plot shows a supply channel distributing water into parallel crop furrows, distinguishing artificial irrigation from rain; no labels or broad farm panorama.
Etymology

The watering expressed by rigare becomes a named activity in irrigation: supplying water to land or crops. The prefix contributes the sense of water being applied onto or into the land.

In context

The Histories32:24
the clever form of irrigation using underground tunnels cut into rock in order to drain water logged land and provide water to crops during dry spells.
Who were the Etruscans?

More examples

  • These fields need irrigation during the dry summer months.
  • The nurse uses saline irrigation to clean the wound.
  • Nasal irrigation helps rinse mucus from the nasal passages.

Forms

irrigation

irrigate verb — To water land or flush body tissue.

Similar words

watering
Watering usually refers to giving water to plants.
flushing
Flushing emphasizes washing away material with flowing liquid.