膝膕 しっかく noun (common) (futsuumeishi) 膝膕しっかく Noun English JMdict (multilingual) 1 noun (common) (futsuumeishi) rare term anatomy popliteal fossa See also: 膝窩 (しっか) 漢字 kanji used 膝 knee, lap 15画 膕 hollow of knee 15画
膝膕しっかく Noun English JMdict (multilingual) 1 noun (common) (futsuumeishi) rare term anatomy popliteal fossa See also: 膝窩 (しっか)