de·bris also
dé·bris 
(d
ə-br
ē, d
ā-, d
ābr
ē′)
n.1. a. The scattered remains of something broken or destroyed; rubble or wreckage.
b. Carelessly discarded refuse; litter.
2. Geology An accumulation of relatively large rock fragments: glacial debris.
3. Biology The fragmented remains of dead or damaged cells or tissue.
[French débris, from Old French debrisier, to break to pieces : de-, intensive pref.; see DE- + brisier, to break (from Vulgar Latin *brīsāre, to press grapes, probably of Celtic origin).]