つくばねがし 衝羽根樫 LinksSentence search for 衝羽根樫Sentence search for つくばねがしSentence search for ツクバネガシKanji details for 衝, 羽, 根 and 樫Edit in JMdict Noun1. Quercus sessilifolia (species of oak)Usually written using kana aloneOther formsツクバネガシ Discussions Log in to talk about this word.