American English

Definition of irrigate verb from the Oxford Advanced American Dictionary



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