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Jyutping gaau1 geng3
Pinyin jiāo jìng

Definitions (Wiktionary)
  1. noun, Min-Dong
    kneecap; patella
    (syn.) 跤頭腕, 克膝蓋, 跤鏡, 燈火碗, 膝頭尖, 髂膝骨, 髕骨, 跤頭趺骨, 跤趺臍骨, 膝頭, 膝頭蓋, 腳寶蓋, 膝頭骨, 跤趺骨, 波羅蓋, 膝蓋骨