Denshi Jisho — Online Japanese dictionary

そそぐ 1: to pour (into); to fill;
2: to sprinkle on from above; to shed (e.g. tears);
3: to concentrate one's spirit or strength on;
4: () to fall onto (of rain, snow)
Godan verb with gu ending 

You can also

Look up kanji details for 漑.

Try a Yahoo Jisho search for 漑 .
Try a Goo Jisho search for 漑 .
Try a Google search for 漑 .