Chen Collection, Middle Volume. Radical: Tree (mù). Character: Chen. Kangxi stroke count: 11. Page 526, Entry 24.
According to the Extensive Dictionary of Rhymes (Guangyun), pronounced zhen. According to the Collected Rhymes (Jiyun), the Dictionary of Rhymes (Yunhui), and the Correct Rhymes (Zhengyun), pronounced zhen.
In the Extensive Dictionary of Rhymes (Guangyun), it refers to the space between two pillars. According to the Classified Compilation (Leipian), Chen may also be written in a variant form (chen). Yang-chen refers to the end of a roof; see the entry for the character Yang.
Also, according to the Extensive Dictionary of Rhymes (Guangyun), pronounced chen. The meaning is the same.
Also, according to the Collected Rhymes (Jiyun), pronounced zhen. It means to arrange or put in order.