I'm thinking about creating a Japanese dictionary app.
I'd like some free dictionary data that contains definitions of words in Japanese. As my Japanese level is not that high, it's a bit difficult for me to search for this data directly in Japanese.
Does anybody know of any dictionary data like this? It would be a bonus if it also contains translations, but I can always combine it with the jmdict data, so it's not really a requirement.
An example of the kind of data I'm looking for is the Esperanto XML dictionary data from Reta Vortaro, which I've used to create an Esperanto dictionary in the past.
The app will be free (probably GPL).