Hai Collection, Lower Volume Radical: Drum (gǔ) 鼜 Kangxi strokes: 23 Page 1527, Entry 03 Broad Rhymes (Guangyun), Collected Rhymes (Jiyun), and Dictionary of Rhymes (Yunhui): Pronounced qi. Jade Chapters (Yupian): A drum used for keeping watch at night. Rites of Zhou (Zhouli), Office of Earth, Drum Official: In military service, use the night drum, the qi. Explanatory Text (Shiwen): Du Zichun reads this as qi. Commentary (Shu): When in the military, the urgent need for vigilance lies in the night; the term qi, having a sound identical to grief, captures the sense of anxiety and fear within the military. Also, Collected Rhymes (Jiyun): Pronounced cao. Meaning is the same.