紐仔 [纽－]

Jyutping nau2 zi2
Pinyin niǔ zǎi

Definitions (Wiktionary)
  1. noun, Hakka, Min-Bei, Min-Nan
    button (on an item of clothing)
  2. noun, Hokkien, Mainland-China, figuratively
    button-sized object
  3. noun, Taiwanese-Hokkien
    lasso; noose
    (syn.) 套索