いちい 櫟 LinksSentence search for 櫟Sentence search for いちいSentence search for 赤檮Sentence search for 石櫧Sentence search for イチイKanji details for 櫟Edit in JMdict Noun1. Quercus gilva (species of oak)Usually written using kana alone, See also イチイガシOther forms赤檮 【いちい】、石櫧 【いちい】、イチイNotes赤檮: Rarely-used kanji form. 石櫧: Rarely-used kanji form. Discussions Log in to talk about this word.