Source : Webster's Revised Unabridged Dictionary (1913)

Deciliter \Dec"i*li`ter\, Decilitre \Dec"i*li`tre\, n. [F.
   d['e]cilitre; pref. d['e]ci- tenth (L. decimus) + litre. See
   {Liter}.]
   A measure of capacity or volume in the metric system; one
   tenth of a liter, equal to 6.1022 cubic inches, or 3.38 fluid
   ounces.

Source : WordNet®

decilitre
     n : a metric unit of volume equal to one tenth of a liter [syn:
         {deciliter}, {dl}]