橈骨とうこつとうこつFreq.FrequencyTop 100,000じ字FuriganaMeanings1nounradius (bone)anatomy›Anatomical term for the radius, the thicker and shorter of the two bones in the forearm.橈骨とうこつは前ぜん腕わんの親おや指ゆび側がわにある骨ほねです。