- 1irrigate something to supply water to an area of land through pipes or channels so that crops will grow irrigated land/crops
- 2irrigate something (medical) to wash out a wound or part of the body with a flow of water or liquid
NAmE//ˈɪrəˌɡeɪt//Verb Forms present simple I / you / we / they irrigate
he / she / it irrigates
past simple irrigated
-ing form irrigating
irrigationjump to other results
NAmE//ˌɪrəˈɡeɪʃn//noun [uncountable] irrigation channels Irrigation has increased the area of cultivable land.