Definition of meniscus noun from the Oxford Advanced American Dictionary

     

    meniscus

     noun
    noun
    NAmE//məˈnɪskəs//
     
    (pl. menisci
    NAmE//məˈnɪsaɪ//
     
    , NAmE//məˈnɪskaɪ//
     
    , NAmE//məˈnɪski//
     
    or meniscuses)
     
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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
See the Oxford Advanced Learner's Dictionary entry: meniscus