楔状骨 けつじょうこつ Also written せつじょうこつ Meanings Noun cuneiform (bones) sphenoid (bone) See also: 蝶形骨 (ちょうけいこつ). Kanji 楔 wedge; arrowhead. Read as ケツ. 状 condition. Read as ジョウ. 骨 bone. Read as コツ. Word lists Anatomy Jinuma: Japanese Dictionary · Word lists