meniscus

剑桥词典

meniscus noun [C] (BODY PART)

anatomy
a curved piece of cartilage inside a joint (= place where two bones are connected ) of the body such as the knee
半月板（膝盖等关节处的软骨组织圆盘）

meniscus noun [C] (LIQUID)

physics
on a liquid , a surface that curves either out or in as a result of surface tension
（表面张力形成的）弯液面 返回 meniscus