irrigate

To supply (land or crops) with water by means of pipes, sprinklers, ditches, or streams.

To wash out (a body cavity or wound) with water or a medicated fluid.

To irrigate land or crops.

To pass a liquid over or through; moisten by a flow of water or other liquid.

Specifically—2. To water, as land, by causing a stream or streams to be distributed over it. See irrigation.