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: Webster's Revised Unabridged Dictionary (1913)