Jewel block

from The Collaborative International Dictionary of English v.0.48
Jewel \Jew"el\ (j[=u]"[e^]l or j[udd]"[e^]l), n. [OE. juel,
   jowel, OF. jouel, juel, joiel, F. joyau, dim. of OF. joie
   joy, jewel, F. joie joy. See {Joy}.]
   [1913 Webster]
   1. An ornament of dress usually made of a precious metal, and
      having enamel or precious stones as a part of its design.
      [1913 Webster]

            Plate of rare device, and jewels
            Of rich and exquisite form.           --Shak.
      [1913 Webster]

   2. A precious stone; a gem. --Shak.
      [1913 Webster]

   3. An object regarded with special affection; a precious
      thing. "Our prince (jewel of children)." --Shak.
      [1913 Webster]

   4. A bearing for a pivot a pivot in a watch, formed of a
      crystal or precious stone, as a ruby.
      [1913 Webster]

   {Jewel block} (Naut.), block at the extremity of a yard,
      through which the halyard of a studding sail is rove.
      [1913 Webster]
    

[email protected]