シリブカガシしりぶかがしMeanings1nounJapanese blue oak; Lithocarpus glaberusually written using kana aloneA species of oak native to Japan; the name is usually written in kana.シリブカガシは日本にほんの照しょう葉よう樹じゅ林りんに自じ生せいする。The Japanese blue oak grows naturally in Japan's laurel forests.