me·nis·cus
noun/məˈnɪskəs/
/məˈnɪskəs/
(plural menisci
/məˈnɪsaɪ/
/məˈnɪsaɪ/
)- (physics) the curved surface of a liquid in a tube
（液柱的）弯月面 - (anatomy) a thin layer of cartilage between the surfaces of some joints, for example the knee
（膝关节等的）半月板
Word Originlate 17th cent.: modern Latin, from Greek mēniskos ‘crescent’, diminutive of mēnē ‘moon’.