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A North American deciduous tree (Populus tremuloides) having broadly ovate, finely toothed leaves with flattened petioles, which quiver in a light breeze.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
an aspen, Populus tremuloides, with heart-shaped leaves that tremble in the wind.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||quaking aspen - Old World aspen with a broad much-branched crown; northwestern Europe and Siberia to North Africa|
aspen - any of several trees of the genus Populus having leaves on flattened stalks so that they flutter in the lightest wind
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