Yin Collection, Lower Volume Radical: Wide (guǎng) Page 346, Entry 09 Collected Rimes (Jiyun): Pronounced tu. Jade Chapters (Yupian): Also meaning this. Also, Broad Rimes (Guangyun): Bu-tu, referring to an uneven building. Also, Broad Rimes (Guangyun): Pronounced tu. Collected Rimes (Jiyun): Pronounced tu. The meaning is the same.