See under aspen(def 1).
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Definition for white aspen (2 of 2)
[ as-puh n ]
/ ˈæs pən /
any of various poplars, as Populus tremula, of Europe, and P. tremuloides (quaking aspen) or P. alba (white aspen), of America, having soft wood and alternate ovate leaves that tremble in the slightest breeze.
of or relating to the aspen.
trembling or quivering, like the leaves of the aspen.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for white aspen
/ (ˈæspən) /
any of several trees of the salicaceous genus Populus, such as P. tremula of Europe, in which the leaves are attached to the stem by long flattened stalks so that they quiver in the windArchaic name: asp
archaic, mainly literary trembling
Word Origin for aspen
Old English æspe; see asp ²
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