Chen Collection, Middle Volume. Radical: Tree (mù). 13 strokes. Page 541, Entry 16. Pronounced ti. A hairpin for arranging hair. Sometimes written with the hand radical. Book of Odes (Shijing), Yongfeng section: The ivory hairpin. Book of Odes (Shijing), Weifeng section: Wearing the ivory hairpin. Commentary: The hairpin is used to part the hair, made of ivory. Pronounced di. A type of accessory. Pronounced di. A type of hairpin. Pronounced di. A root. Pronounced shi. A type of tree. Correction: The reference to Book of Odes (Shijing), Beifeng section, has been corrected to Yongfeng section in accordance with the original text.