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Jyutping goe3 ngaa2
Pinyin jù yá

Definitions (粵典–words.hk)
  1. x
Definitions (Kaifangcidian)
  1. 鋸齒 – 锯齿

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Jyutping geoi3 ngaa4
Pinyin jù yá

Definitions (CC-CANTO)
  1. sawtooth
Definitions (Wiktionary)
  1. noun, Cantonese, Guangzhou
    sawtooth
    (syn.) 鋸齒子, 鋸齒, 锯齿子, 锯锯齿儿, 鋸鋸齒兒, 鋸齒兒, 锯牙子, 鋸牙子, 锯齿儿, 锯齿