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verb (used with object), ir·ri·gat·ed, ir·ri·gat·ing.
  1. to supply (land) with water by artificial means, as by diverting streams, flooding, or spraying.
  2. Medicine/Medical. to supply or wash (an orifice, wound, etc.) with a spray or a flow of some liquid.
  3. to moisten; wet.

Origin of irrigate

1605–15; < Latin irrigātus, past participle of irrigāre to wet, flood, nourish with water, equivalent to ir- ir-1 + rigā- (stem of rigāre to provide with water, soak) + -tus past participle suffix
Related formsir·ri·ga·tor, nounnon·ir·ri·gat·ed, adjectivenon·ir·ri·gat·ing, adjectiveo·ver·ir·ri·gate, verb (used with object), o·ver·ir·ri·gat·ed, o·ver·ir·ri·gat·ing.re·ir·ri·gate, verb (used with object), re·ir·ri·gat·ed, re·ir·ri·gat·ing.un·ir·ri·gat·ed, adjectivewell-ir·ri·gat·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for non-irrigated

Historical Examples

  • It shows the exact proportion of irrigated and non-irrigated land under each crop, &c.

    Wild Spain (Espaa agreste)

    Abel Chapman

British Dictionary definitions for non-irrigated


  1. to supply (land) with water by means of artificial canals, ditches, etc, esp to promote the growth of food crops
  2. med to bathe or wash out a bodily part, cavity, or wound
  3. (tr) to make fertile, fresh, or vital by or as if by watering
Derived Formsirrigable, adjectiveirrigation, nounirrigational or irrigative, adjectiveirrigator, noun

Word Origin

C17: from Latin irrigāre, from rigāre to moisten, conduct water
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for non-irrigated



"supply land with water," 1610s, from Latin irrigatus, past participle of irrigare "lead water to, refresh, irrigate, flood," from assimilated form of in- "into, in, on, upon" (see in- (2)) + rigare "to water, to moisten," of uncertain origin, perhaps cognate with rain. Related: Irrigated; irrigating. In Middle English it was an adjective, "watered, flooded" (mid-15c.).

Online Etymology Dictionary, © 2010 Douglas Harper

non-irrigated in Medicine


  1. To wash out a cavity or wound with a fluid.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.