Chen Collection, Middle Volume Radical: Tree (mù) Gu Kangxi stroke count: 12 Page 533, Entry 07 According to the Broad Rhymes (Guangyun) and the Collected Rhymes (Jiyun), it is pronounced gu. According to the Explaining Graphs and Analyzing Characters (Shuowen), it is a wooden vessel for catching rats. Also according to the Collected Rhymes (Jiyun), it is pronounced gu. The meaning is the same.