the accumulation of winter snowfall, especially in mountain or upland regions.

Origin of snowpack

First recorded in 1945–50; snow + pack1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for snowpack



a quantity of fallen snow that has become massed together
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

snowpack in Science



An area of naturally formed, packed snow that usually melts during the warmer months.
The amount of snow that accumulates annually in a mountainous area.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.