||Brec"cia (&?;), n. [It., breach, pebble, fragments of stone, fr. F. brèche; 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.