Zi Collection, Page Position: Upper, Radical: Knife (dāo), Page 3, Entry 02 Pronounced zuò (falling tone) — "Guangyun" (Guangyun) Pronounced cái (falling tone) — "Jiyun" (Jiyun) Same pronunciation as "cáo" (level tone). Meaning: A sacrifice, also refers to praying for blessings. Another explanation is a sacrifice to the ancestors of pigs.