débris

Century Dictionary and Cyclopedia

1. Fragments; rubbish; ruins.
2. In geol., a mass of rocky fragments irregularly accumulated at any one spot: as, the debris at the base of a cliff: used as both a singular and a plural by French and English writers. See drift, detritus, and screes.

GNU Webster's 1913

1. n. Broken and detached fragments, taken collectively; especially, fragments detached from a rock or mountain, and piled up at the base.
2. n. Rubbish, especially such as results from the destruction of anything; remains; ruins.

WordNet 3.0

1. n. the remains of something that has been destroyed or broken up