Dust being swept into a dustpan.
dustpan definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a pan like a small shovel, usually with a short handle, into which dirt or debris from the floor is swept
dustpan definition by American Heritage Dictionary
A short-handled pan or scoop into which dust is swept.