D defs.my
Entry 3 senses Webster, 1913

Irrigate

/ĭr'-əg-ātˌ/ · Ir·ri·gate · IPA /ˈɪɹəˌɡeɪt/
01 v. t. To water; to wet; to moisten with running or dropping water; to bedew.
imp. & p. p. Irrigated; p. pr. & vb. n. Irrigating
  1. 1.
    To water; to wet; to moisten with running or dropping water; to bedew.
  2. 2.
    To water, as land, by causing a stream to flow upon, over, or through it, as in artificial channels.(Agric.)
  3. 3.
    To rinse (a wound, infected area, etc.) with a flow or spray of a liquid.(Med.)