橈骨 とうこつ Meanings Noun radius Kanji 橈 oar; scull; paddle 骨 bone. Read as コツ. Words containing 橈骨 橈骨動脈 (とうこつどうみゃく) radial artery 腕橈骨筋 (わんとうこつきん) brachioradialis (muscle) Word lists Anatomy Jinuma: Japanese Dictionary · Word lists