縞素 [缟－]

Jyutping gou2 sou3
Pinyin gǎo sù

Definitions (CC-CEDICT)
  1. white silk mourning dress
Definitions (Wiktionary)
  1. noun
    white mourning dress
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）