こうほねMeaningsNoun1. Japanese spatterdock (species of water lily, Nuphar japonica) (Usually kana)Other spellings河骨こうほね川骨こうほねUsually written in kanaOther readings河かわ骨ほね川かわ骨ほねかわほねコウホネKanji in other spellings河waterway骨bone川riverPitch accentこうほね