IRRIGATE
irrigate
(verb) supply with a constant flow or sprinkling of some liquid, for the purpose of cooling, cleansing, or disinfecting; “irrigate the wound”
water, irrigate
(verb) supply with water, as with channels or ditches or streams; “Water the fields”
Source: WordNet® 3.1
Etymology
Verb
irrigate (third-person singular simple present irrigates, present participle irrigating, simple past and past participle irrigated)
(transitive) To supply (farmland) with water, by building ditches, pipes, etc.
(transitive) To clean (a wound) with a fluid.
Source: Wiktionary
Ir"ri*gate, v. t. [imp. & p. p. Irrigated; p. pr. & vb. n.
Irrigating.] Etym: [L. irrigatus, p. p. of irrigare to irrigate: ir-
in + rigare to water; prob. akin to E. rain. See Rain.]
1. To water; to wet; to moisten with running or dropping water; to
bedew.
2. (Agric.)
Definition: To water, as land, by causing a stream to flow upon, over, or
through it, as in artificial channels.
Source: Webster’s Unabridged Dictionary 1913 Edition