線裝 [线装]

Jyutping sin3 zong1
Pinyin xiàn zhuāng

Definitions (CC-CANTO)
  1. traditional thread binding
Definitions (Wiktionary)
  1. noun
    traditional thread binding (of traditional Chinese books)
  2. adj, attributive, of books
    thread-bound
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）