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v. ir·ri·gat·ed, ir·ri·gat·ing, ir·ri·gates
1. To supply (land or crops) with water by means of pipes, sprinklers, ditches, or streams.
2. To wash out (a body cavity or wound) with water or a medicated fluid.
To irrigate land or crops.
[Latin irrigāre, irrigāt- : in-, in; see in-2 + rigāre, to water.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.