Source : Webster's Revised Unabridged Dictionary (1913)

Job \Job\, n.
   The hero of the book of that name in the Old Testament; the
   typical patient man.

   {Job's comforter}.
   (a) A false friend; a tactless or malicious person who, under
       pretense of sympathy, insinuates rebukes.
   (b) A boil. [Colloq.]

   {Job's news}, bad news. --Carlyle.

   {Job's tears} (Bot.), a kind of grass ({Coix Lacryma}), with
      hard, shining, pearly grains.

Source : WordNet®

Job's tears
     n : hard pearly seeds of an Asiatic grass; often used as beads