回力刀 [－－－]

Jyutping wui4 lik6 dou1
Pinyin huí lì dāo

Definitions (CC-CANTO)
  1. a boomerang [written and colloquial]
Definitions (粵典–words.hk)
  1. 名詞
    即​係​回力​鏢
    boomerang