Read Edit View history 尺骨 chǐgǔ ulna Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 尺骨 · chǐgǔ · ulna 2026/03/04 尺骨 chǐgǔ ulna The inner and longer of the two bones of the human forearm, situated on the side opposite to the thumb. 他的左臂尺骨在事故中骨折了。 noun created sense Mar 4, 2026, 02:25 AM