n. A pad of paper for preliminary notes or sketches or writings, etc.
n. A piece of temporary memory to hold details of a current conversation, usually scratchpad memory.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. (computer science) a high-speed internal memory used for temporary storage of preliminary information
Word Usage
"Another new feature within Windows Live Local called Collections allows users to share "scratchpad" maps customized with photos tied to specific landmarks and locations."