scattered pieces of rubbish or remains.
"workmen were clearing the roads of the debris from shattered buildings"
Similar:
detritus
refuse
Flotsam is defined as debris in the water that was not deliberately thrown overboard, often as a result from a shipwreck or accident. Jetsam describes debris that was deliberately thrown overboard by a crew of a ship in distress, most often to lighten the ship's load.