回子 [－－]

Jyutping wui4 zi2
Pinyin huí zi

Definitions (Wiktionary)
  1. classifier, colloquial
    Classifier for the number of occurrences of events: time
  2. noun, regional, slur, sometimes
    Hui person; Muslim
    (syn.) 回民, 裡嗎兒的, 回回, 左提兒, 老回回, 回子, 回教佬 dated