/ Dictionary / Index I irrigate: Meaning and Definition of Find definitions for: ir•ri•gate Pronunciation: (ir'i-gāt"), [key] — -gat•ed, -gat•ing. to supply (land) with water by artificial means, as by diverting streams, flooding, or spraying. to supply or wash (an orifice, wound, etc.) with a spray or a flow of some liquid. to moisten; wet. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: irrigate (Thesaurus) irrigable irrigation Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language