1) すだ椎じい Link copied! Pitch accent す だ じ い [2] Nakadaka Meaning ① Noun Usually kana Castanopsis sieboldii (species of chinquapin) Kanji 椎 ツイ chinquapin, mallet, spine Forms スダジイ#281,706スダジイすだじいすだじいすだ椎すだ椎じい Learn this word with smart reviews that adapt to you Save word