Denshi Jisho — Online Japanese dictionary

なだれ avalanche
Common word, Noun 
かいほう collapse; crumbling; breaking down; caving in
Noun, Suru verb, Archaism 
かいほう collapse; crumbling; breaking down; caving in
Noun, Suru verb, Archaism 
人雪 ひとなだれ surging crowd
Noun 
表層雪 ひょうそうなだれ surface avalanche
Noun 

You can also

Look up kanji details for *崩.

Try a Yahoo Jisho search for *崩 .
Try a Goo Jisho search for *崩 .
Try a Google search for *崩 .