To shine with a subdued flickering light. See Synonyms at flash.
To appear as a wavering or flickering image, as in a reflection on water or through heat waves in air.
A flickering or tremulous light; a glimmer.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.