膝蓋骨 しつがいこつ Meanings Noun kneecap; patella Kanji 膝 knee. Read as シツ. 蓋 lid. Read as ガイ. 骨 bone. Read as コツ. Example sentences 膝の前面にある平たい皿状の骨は膝蓋骨と言います。The flat, dish-shaped bone in front of the knee joint is called the patella. Word lists Anatomy Jinuma: Japanese Dictionary · Word lists