殿でん下かTop 4000MeaningsNoun1. Your Highness; His Highness; Her Highness (Honorific)Kanji used殿palace下belowPitch accentでんかUsed in vocabulary妃ひ殿でん下かprincess; Her Royal HighnessNoun皇こう太たい子し殿でん下かHis Imperial Highness the Crown Prince; His Royal Highness the Crown PrinceNoun