駪
1. Appearance of many horses running swiftly, as in "众多的样子,如‘~~征夫’,‘万马肃~~。’"
   - The appearance of a multitude, as in "a crowd of soldiers," or "a thousand horses, solemnly rushing."
2. Shēn (駪)
   - Describing the look of many horses running swiftly. Can also be used alone as "駪."
   
3. 引 
   - Reference: 
     1. From "Shuōwén Jiězì" (说文解字) - "駪, the appearance of a multitude of horses."
     2. From "Zìhuì" (字汇) - "駪, the appearance of many horses running swiftly."