quaking aspen
noun
Definition of quaking aspen
: an aspen (Populus tremuloides) chiefly of the U.S. and Canada with small nearly circular leaves that have flattened petioles and finely serrate margins and that flutter in the slightest breeze
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1812
First Known Use of quaking aspen
1812
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Britannica.com: Encyclopedia article about quaking aspen
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