Main Entry: me·nis·cus

Pronunciation: \mə-ˈnis-kəs\

Function: noun

Inflected Form(s): plural me·nis·ci \-ˈni-ˌskī, -ˌskē, -ˌsī\ also me·nis·cus·es

Etymology: New Latin, from Greek mēniskos, from diminutive of mēnē moon, crescent — more at moon

Date: 1685

1 : a crescent or crescent-shaped body
2 : a concavo-convex lens
3 : the curved upper surface of a column of liquid
4 : a fibrous cartilage within a joint especially of the knee