Denshi Jisho — Online Japanese dictionary

Couldn't find anything for 差し込む~, so trying 差し込む instead.

差し込む さしこむ 1: to insert; to put in; to thrust in; to plug in;
2: to shine in; to flow in;
3: to jam a batter (with an inside pitch) (baseball)
Godan verb with mu ending 

You can also

Look up kanji details for 差し込む.

Try a Yahoo Jisho search for 差し込む .
Try a Goo Jisho search for 差し込む .
Try a Google search for 差し込む .