The part of a glacier resembling a frozen waterfall that flows down a steep slope.(noun)
An avalanche of ice.(noun)
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.
Use "icefall" in a sentence
"The icefall was a maze of crevasses and teetering seracs."
"The icefall created waves as tall as 11.5 feet, which swept up and down the lake for 30 minutes."
"Keith documented the icefall that claimed one of the Sherpas."