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Jyutping ji2 pang4
Pinyin yǐ píng

Definitions (Wiktionary)
  1. noun, Cantonese
    backrest; back of a chair
    (syn.) 凳凭, 凳憑, 靠背

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Jyutping ji2 peng1
Pinyin yǐ píng

Definitions (粵典–words.hk)
  1. 名詞
    椅後面​承托​你​背脊​嘅​支​撐​(​量​詞​:​個​)
    backrest of a chair
  2. 近義詞
    櫈𩩍
  3. 參看
    椅𩩍