See under aspen(def 1).
Origin of quaking aspen
First recorded in 1785–95
Definition for quaking 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
Examples from the Web for quaking aspen
Suddenly I came upon a large, quaking-aspen tree set back in the woods by the side of the bog.Everyday Adventures|Samuel Scoville
British Dictionary definitions for quaking 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