Hypertext Webster Gateway: "meniscus"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Meniscus \Me*nis"cus\, n.; pl. L. {Menisci} (-s[=i]), 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}.
From WordNet (r) 1.7 (wn)
meniscus
n : a disk of cartilage that serves as a cushion between the
ends of bones that meet at a point
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