褲帶子 [裤带－]

Jyutping fu3 daai2 zi2
Pinyin kù dài zi

Definitions (Wiktionary)
  1. noun, Gan, Xiang
    waist belt; waistband; girdle
    (syn.) 裤腰带, 裤头带, 裤带, 褲頭帶, 褲腰帶, 褲帶