meniscus
noun [ C ] specialized uk/məˈnɪs.kəs/ us/məˈnɪs.kəs/ menisci /-kaɪ/ meniscuses
(BODY PART)
anatomy 半月板（膝盖等关节处的软骨组织圆盘）
a curved piece of cartilage inside a joint (= place where two bones are connected) of the body such as the knee
(LIQUID)
physics （表面张力形成的）弯液面
on a liquid, a surface that curves either out or in as a result of surface tension