snowblink 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 bright reflection of sunlight, esp. in polar regions, on the bottom of a low cloud, caused by a distant snowfield
also written snow blink
snowblink definition by American Heritage Dictionary
A white sky glow reflected from snow fields.