meniscus

About 0.81 uses per million words.

Meaning

1. noun A crescent moon, or an object shaped like it. .mw-parser-output .defdate{font-size:smaller}
2. noun A lens which is convex on one side and concave on the other, being crescent-shaped in cross-section.
3. noun The curved surface of liquids in tubes, whether concave or convex, caused by the surface tension of the liquid.
4. noun Either of two parts of the human knee that provide structural integrity to the knee when it undergoes tension and torsion.

Similar words

sickle moon semicrescent pelta lunule dog bone hosohedron rosehead monocular squircle reticulum

Often followed by

is and of in to lens at tear can

Word family

menisci meniscuses