Meniscus
Pronunciation : Me*nis"cus, n.; pl. L. Menisci (-si)
Part of Speech : E.
Etymology : [NL., from Gr. mh`nh the moon.]
Definition : 1. A crescent.
2. (Opt.)
Defn: A lens convex on one side and concave on the other.
3. (Anat.)
Defn: 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.
Meniscuses.
Source : Webster's Unabridged Dictionary, 1913