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meniscus

Pronunciation: /mɪˈnɪskəs/

Definition of meniscus

noun (plural menisci /-sʌɪ/)

Physics

the curved upper surface of a liquid in a tube.
[usually as modifier] a lens that is convex on one side and concave on the other: a meniscus lens
Anatomy a thin fibrous cartilage between the surfaces of some joints, e.g. the knee.