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Jyutping sei3 gok3 jing4
Pinyin sì jiǎo xíng

Definitions (CC-CEDICT)
  1. square
  2. quadrilateral
Definitions (粵典–words.hk)
  1. 名詞
    四條​邊​嘅​多​邊​形
    quadrilateral
Definitions (Wiktionary)
  1. noun
    quadrangle; alternative name for 四邊形/四边形 (sìbiānxíng, “quadrilateral”).
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)