じい いた椎 LinksSentence search for いた椎Sentence search for いたじいSentence search for イタジイKanji details for 椎Edit in JMdict Noun1. Castanopsis sieboldii (species of chinquapin)Usually written using kana alone, See also すだ椎Other formsイタジイ Discussions Log in to talk about this word.