[-]

Jyutping bit6 zi2
Pinyin bié zi

Definitions (Wiktionary)
  1. noun
    pouch pendant
  2. noun
    sleeve of a thread-bound book or scroll of calligraphy or painting (typically made of bone)

[-]

Jyutping bit6 zi2
Pinyin bié zǐ

Definitions (Wiktionary)
  1. noun, archaic, literary
    additional son (of a concubine)

別子 [别-]

Jyutping
Pinyin bié zi

Definitions (CC-CEDICT)
  1. hasp
  2. pendant