Ir"ri*gate (?), v. t. [imp. & p. p. Irrigated (?); p. pr. & vb. n. Irrigating (?).] [L. irrigatus, p. p. of irrigare to irrigate: ir- in + rigare to water; prob. akin to E. rain. See Rain.]
To water; to wet; to moisten with running or dropping water; to bedew.
To water, as land, by causing a stream to flow upon, over, or through it, as in artificial channels.
© Webster 1913.