Wu Collection, Lower Volume Radical: Stone (shí) Brick. Kangxi stroke count: 16. Page 835, Entry 07. Collected Rimes (Jiyun): Pronounced tuan. A personal name. There was a person in the State of Zheng named Shi Zhuan. It is also the same as the character for ceramic brick (zhuan). Examination of Ancient History (Gushi Kao): Wucao invented the brick. Book of the Later Han (Hou Hanshu), Biographies of Exemplary Women: The wife of Cao Shishu stated in her Teachings for the Inner Quarters (Neizhu Xun) that in ancient times, when a daughter was born, she was laid beneath the bed for three days, given a spindle whorl to play with, and offerings were made to announce her birth. Also, Collected Rimes (Jiyun): Pronounced tuo. The appearance of something round.