1. To water; to wet; to moisten with running or dropping water; to bedew.

2. <agriculture> To water, as land, by causing a stream to flow upon, over, or through it, as in artificial channels.

Origin: L. Irrigatus, p. P. Of irrigare to irrigate: ir- in + rigare to water; prob. Akin to E. Rain. See Rain.

(01 Mar 1998)