Xu Collection, Upper Volume Radical: Metal (jīn) Kangxi Strokes: 19 Page 1319, Entry 21 Pronounced dí Shuowen Jiezi (Dictionary of Explaining and Analyzing Characters): The tip of an arrow. Shiming (Explication of Names): The term di signifies resistance. It is used to ward off enemies. Records of the Grand Historian (Shiji): Melting down the blades of weapons and the arrowheads. Annotation: Pronounced dí. Another variant form is shi. Also, from the Biographies of the Xiongnu: Crafted into a whistling arrow. Annotation: Di refers to an arrow. It is similar to the whistling arrow used in present times.