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Jyutping kaa1 caat3
Pinyin kā cā

Definitions (Wiktionary)
  1. noun, onomatopoeic
    crack or snapping sound

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Jyutping kaa4 caak4
Pinyin kā chā

Definitions (粵典–words.hk)
  1. 擬聲詞
    相機​快門聲
    sound of camera shutter
  2. 近義詞
    cik caat
  3. 參看
    喀擦

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Jyutping kaa4 caat4
Pinyin kā chā

Definitions (粵典–words.hk)
  1. 擬聲詞
    相機​快門聲
    sound of camera shutter
  2. 近義詞
    cik caat
  3. 參看
    喀擦

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Jyutping kaa1 caat3
Pinyin kā chā

Definitions (CC-CEDICT)
  1. (onom.) breaking or snapping
  2. (coll.) cut it out
  3. stop it
  4. also written 喀嚓[ka1 cha1]
Definitions (Wiktionary)
  1. noun, onomatopoeic
    crack or snapping sound