Pronunciation: (ir'i-gāt"), [key]
—v.t., -gat•ed, -gat•ing.
1. to supply (land) with water by artificial means, as by diverting streams, flooding, or spraying.
2. Med.to supply or wash (an orifice, wound, etc.) with a spray or a flow of some liquid.
3. to moisten; wet.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.