ir ‧ ri ‧ gate /ˈɪrəɡeɪt, ˈɪrɪɡeɪt/ BrE AmE verb [transitive]
[ Date: 1600-1700 ; Language: Latin ; Origin: past participle of irrigare , from rigare 'to water' ]
1 . to supply land or crops with water:
The water in Lake Powell is used to irrigate the area.
irrigated land/farms/crops
2 . technical to wash a wound with a flow of liquid
—irrigation /ˌɪrəˈɡeɪʃ ə n, ˌɪrɪˈɡeɪʃ ə n/ noun [uncountable] :
major irrigation projects