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Jyutping gyun2 bat1 dou1
Pinyin juǎn bǐ dāo

Definitions (Wiktionary)
  1. noun, Mainland-China
    pencil sharpener
    (syn.) 鉛筆刀子, 久筆刀, 刨刀, 轉刀子, 鉛筆旋刀, 捲筆刀 Mainland, 捲筆套, 旋筆刀, 轉筆刀 Mainland, 鉛筆刨, 鉛筆旋兒, 削鉛筆機, 鉛筆刨子, 捲筆刀子, 鉛筆璇, 鉛筆擰子, 鉛筆轉, 筆刨, 刨子, 車筆刀, 轉刀, 鉛筆刀, 擰刀, 鉛筆剾, 鉛筆㲃子, 刨筆刀, 轉筆刀兒, 鉛筆旋子, 車鉛筆刀, 鉛筆旋, 捲筆刀, 轉筆刀, 鉛筆絞仔, 捲刨, 筆車, 鉛筆絞, 鉛筆車, 鉛筆捲, 修筆刀
Definitions (兩岸三地生活差異詞語彙編—Two Shores Three Places)
  1. 文具與辦公事務用品:臺
    削鉛筆機
  2. 文具與辦公事務用品:陸
    轉筆刀、削筆刀、捲筆刀