Denshi Jisho — Online Japanese dictionary

しょく eclipse (solar, lunar, etc.)
Noun 
むしばむ to eat into (e.g. by worms); to spoil; to ruin; to undermine
Common word, Godan verb with mu ending, Intransitive verb 
虫食む むしばむ to eat into (e.g. by worms); to spoil; to ruin; to undermine
Godan verb with mu ending, Intransitive verb 
しょくじん maximum eclipse; maximum obscuration
Noun 
しょくぶん phase of an eclipse
Noun 

You can also

Look up kanji details for 蝕 むしばむ.

Try a Yahoo Jisho search for 蝕 むしばむ .
Try a Goo Jisho search for 蝕 むしばむ .
Try a Google search for 蝕 むしばむ .