Source : WordNet®

core dump
     n : (computer science) dump of the contents of the chief
         registers in the CPU

Source : Free On-Line Dictionary of Computing

core dump
     
        [Common {Iron Age} jargon, preserved by Unix] 1. A copy of the
        contents of {core}, produced when a process is aborted by
        certain kinds of internal error.
     
        2. A complete account of a human's knowledge on some subject
        (also {brain dump}), especially in a lecture or answer to an
        exam question.  "Short, concise answers are better than core
        dumps" (from the instructions to an exam at Columbia).
     
        [{Jargon File}]