Wu Collection, Lower Volume Radical: Cave (xué) Kiln (yáo) Kangxi stroke count: 15 Page 865, Entry 01 According to Sound Collection (Jiyun), Rhyme Compilation (Yunhui), and Correct Rhymes (Zhengyun), it is pronounced yao (level tone). It is the same as the character for kiln. It refers to a furnace for firing bricks and tiles. Also according to Sound Collection (Jiyun), it is pronounced yao (departing tone). It refers to firing in a cave. Also according to Sound Collection (Jiyun), it is pronounced qiao (level tone). It refers to the appearance of being empty, vast, and silent.