sandman 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 mythical person, as in fairy tales, supposed to make children sleepy by dusting sand in their eyes
Origin: probably ; from German sandmann
sandman definition by American Heritage Dictionary
A character in fairy tales and folklore who makes children go to sleep by sprinkling sand in their eyes.