Definition of meniscus noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//məˈnɪskəs//
    ; NAmE NAmE//məˈnɪskəs//
    (pl. menisci
    BrE BrE//məˈnɪsaɪ//
    ; NAmE NAmE//məˈnɪsaɪ//
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  1. 1 (physics) the curved surface of a liquid in a tube
  2. 2(anatomy) a thin layer of cartilage between the surfaces of some joints, for example the knee
  3. Word Originlate 17th cent.: modern Latin, from Greek mēniskos ‘crescent’, diminutive of mēnē ‘moon’.
See the Oxford Advanced American Dictionary entry: meniscus