Mao Collection, Upper Volume Radical: Heart (xīn) Pí Kangxi Stroke Count: 11 Page 386, Entry 21 According to the Extensive Rhymes (Guangyun) and Collected Rhymes (Jiyun), the pronunciation is pi. It means error or mistake. As cited in the Wei Capital Rhapsody (Weidu fu) by Zuo Si: encompassing many errors and complications. Furthermore, according to the Collected Rhymes (Jiyun), the pronunciation is bi. It means thoughts held together. Also, according to the Collected Rhymes (Jiyun), the pronunciation is pu. It means cautious. It is also written in a variant form.