Denshi Jisho — Online Japanese dictionary

Couldn't find anything for 萌える~, so trying 萌える instead.

萌える もえる 1: to burst into bud; to sprout;
2: (Manga slang) to have a crush; to be infatuated
Ichidan verb, Intransitive verb 

You can also

Look up kanji details for 萌える.

Try a Yahoo Jisho search for 萌える .
Try a Goo Jisho search for 萌える .
Try a Google search for 萌える .