nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- A pad of paper for preliminary or hasty writing, notes, or sketches.
- also scratch·pad Computer Science An internal register used for temporary storage of preliminary data or notes.