骨頂 こっちょう Also written 骨張 Meanings Noun height; pinnacle Kanji 骨 bone. Read as コツ. 頂 receive. Read as チョウ. Words containing 骨頂 真骨頂 (しんこっちょう) one's true worth 愚の骨頂 (ぐのこっちょう) the height of folly Jinuma: Japanese Dictionary · Word lists