the remains of anything broken down or destroyed; ruins; rubble: the debris of buildings after an air raid.
2.
Geology. an accumulation of loose fragments of rock.
Also, dé·bris.
Origin: 1700–10; < Frenchdébris,Middle Frenchdebris, derivative of debriser to break up (in pieces), Old Frenchdebrisier (de-de- + brisier to break; see bruise)