Zi Collection, Upper Volume, Page 12, Entry 07 Radical: Grass (cǎo) Pronounced mò (falling tone) and bào (falling tone) Also pronounced mào (falling tone) Gloss: Thorn. Also explained as the appearance of fluff on silk or fine cloth resembling thorns. In the "Jijiu Pian" (Urgent Script), there is a line: "Brocade, fine cloth, and silk with patterns like flying birds." The commentary explains that "fine cloth" (sì) means thorns.