My understanding was that while they all have the same hiragana "spelling" (still don't like that word), they are in fact completely different words. Which the 3 definitions that you have mentioned Dave being in line with how I would use and have seen these kanji being used in Japan.

My understanding was that while they all have the same reading, they are in fact completely different words. Which the 3 definitions that you have mentioned Dave being in line with how I would use and have seen these kanji being used in Japan.

So to answer your question, i think the Edict is incorrect. Looking at some of the other comments it seems that they are listed properly, at least from my perspective, as separate entries in their dictionaries.