Zi Collection, Upper Volume, Page 12, Entry 03 Radical: Pig (shǐ) Pronounced hui (falling tone) Meaning: A pig's snout digs into the earth. Also defined as a hedgehog-like animal. "Zhiziguzi" states that the tip of a spine divided into two prongs is a "wei", and that which is sharp like a thorn is a "zhun". Sometimes also written in a variant form (zhun) or (wei).