Me*nis"cus (?), n.; pl. L. Menisci (-si), E. Meniscuses (#). [NL., from Gr. , dim. of mh`nh the moon.]
1.
A crescent.
2. Opt.
A lens convex on one side and concave on the other.
3. Anat.
An interarticular synovial cartilage or membrane; esp., one of the intervertebral synovial disks in some parts of the vertebral column of birds.
Converging meniscus, Diverging meniscus. See Lens.
© Webster 1913.