Source : Webster's Revised Unabridged Dictionary (1913)

Dime \Dime\, n. [F. d[^i]me tithe, OF. disme, fr. L. decimus the
   tenth, fr. decem ten. See {Decimal}.]
   A silver coin of the United States, of the value of ten
   cents; the tenth of a dollar.

   {Dime novel}, a novel, commonly sensational and trashy, which
      is sold for a dime, or ten cents.

Source : WordNet®

dime novel
     n : a melodramatic paperback novel [syn: {penny dreadful}]