Source : Webster's Revised Unabridged Dictionary (1913)

Breccia \Brec"cia\, n. [It., breach, pebble, fragments of stone,
   fr. F. br[`e]che; of German origin. See {Breach}.] (Geol.)
   A rock composed of angular fragments either of the same
   mineral or of different minerals, etc., united by a cement,
   and commonly presenting a variety of colors.

   {Bone breccia}, a breccia containing bones, usually
      fragmentary.

   {Coin breccia}, a breccia containing coins.

Source : WordNet®

breccia
     n : a rudaceous rock consisting of sharp fragments embedded in
         clay or sand