Chen Collection, Upper Volume Radical: Sun (rì) Page 490, Entry 30 According to Extensive Rhymes (Guangyun) and Rhyme Collection (Yunhui), the pronunciation is wǔ. According to Collected Rhymes (Jiyun), the pronunciation is wǔ. Meaning bright or luminous according to Jade Chapters (Yupian). According to Correct Rhymes Commentary (Zhengyun jian), when the sun is at high noon and exceptionally bright, it is called wu. Also, according to Collected Rhymes (Jiyun), pronounced wù. Sometimes written as a variant form of wù (to meet).