Longman Dictionary of Contemporary English homepage

Date: 1600-1700
Language: Latin
Origin: , past participle of irrigare, from rigare 'to water'

irrigate

verb
     
Related topics: Hospital, Agriculture, Soil
ir‧ri‧gate [transitive]
1TA to supply land or crops with water:
The water in Lake Powell is used to irrigate the area.
2 technicalMH to wash a wound with a flow of liquid
irrigation noun [uncountable]
major irrigation projects

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