1708, from French débris "remains, waste, rubbish" (16c.), from obsolete debriser "break down, crush," from Old French de- (see de-) + briser "to break," from Late Latin [..]

remains of something broken or destroyed; waste, or garbage.

the remains of something that has been destroyed or broken up Debris is rubble, wreckage, ruins, litter and discarded garbage/refuse/trash, scattered remains of something destroyed, or, in geology, la [..]

any fragmented rock material i.e. that produced by weathering or erosion.

(n) the remains of something that has been destroyed or broken up

  An accumulation of wasteful fragments during the course of healing of a scarred tissue.

The débris of an army. The remnants of a routed army. Débris means the fragments of a worn-down rock. It is a geological term (débriser, to break down).

Any accumulation of broken and detached matter.  Debris can be left in a pile or scattered over a large area.  Usually a poor indicator of area of impact but can sometimes be an indicator of velocity [..]

Any solid material exceeding a 60 mm particle size that is intended for disposal and that is a manufactured object, or plant or animal matter, or natural geologic material.

See debitage.

Scattered, old remains of plants and animals. Underwater, debris found on the bottom may include leaf and stem parts, old mussel shells, sticks, etc. Debris on a forest floor may include dead leaves, [..]

Rubbish.

parts or fragments of something that has been broken down.

Any material in wastewater found floating, suspended, settled, or moving along the bottom of a sewer. This material may cause stoppages by getting hung up on roots or settling out in a sewer. Debris i [..]

dead organic material (leaves, twigs, etc.) and sediment.

See: Shrapnel.