Hai Collection, Upper Volume Radical: Horse (mǎ) Entry: 駑 Kangxi strokes: 15 Page 1436, Entry 01 Pronounced nu. In the Extensive Rhymes (Guangyun), it means a horse of the lowest quality. The Correct Meaning Refined (Zhengzitong) states it refers to a horse that is slow and inferior. Any horse used for labor in the imperial palace is called a nu. Both nu and dai refer to inferior mounts. Pi Rixiu said: Zaofu was skilled at driving, but he could not drive inferior horses. Yang Huo was the inferior horse to Confucius.