as·​pen | \ ˈa-spən How to pronounce aspen (audio) \

Definition of aspen

 (Entry 1 of 2)

: any of several poplars (especially Populus tremula of Europe and P. tremuloides and P. grandidentata of North America) with leaves that flutter in the lightest wind because of their flattened petioles


geographical name
As·​pen | \ ˈa-spən How to pronounce Aspen (audio) \

Definition of Aspen (Entry 2 of 2)

resort city in west central Colorado population 6658

Examples of aspen in a Sentence

Recent Examples on the Web: Noun Yellow aspen lit up the valley, dotted with blazing late-season fireweed. Alli Harvey, Anchorage Daily News, "Alaska hiking 101: Beware the ‘seductively close’ end of the trail," 3 Oct. 2020 Some aspen are still hanging on, with cottonwood, maple, alder and willows peaking now. Rosemary Mcclure, Los Angeles Times, "It’s not too late. Last call for fall color in these California locations," 28 Oct. 2020 Because most people will be flocking to the aspen groves, here are some other amazing Arizona fall hikes far from the crowds. Roger Naylor, The Arizona Republic, "5 of the best fall hikes in Arizona: Here's how to explore these less crowded trails," 14 Oct. 2020 Fighting back Wildfires’ increasing ferocity has some park managers going acre-by-acre to prioritize fire prevention, even encouraging the replacement of highly combustible lodgepole pines with less flammable aspen stands. Kurt Repanshek, National Geographic, "Wildfires show how climate change is transforming national parks," 14 Oct. 2020 Western states like Colorado and New Mexico often see a tourism boost as travelers seek out the vivid leaves of aspen and scrub oak trees. Allison Chinchar, CNN, "Fall foliage faltering under 'extreme drought' conditions," 3 Oct. 2020 The girl notices perfect little spheres of water on the surface of a fallen aspen leaf. Ned Rozell, Anchorage Daily News, "The scents, sights and sounds of fall equinox in Alaska," 3 Oct. 2020 The region is rich with aspen, birch, maple, basswood, and other deciduous hardwood trees, according to NASA. Fox News, "Fall colors in Midwest spotted from space as autumn arrives," 1 Oct. 2020 Find yellow aspen and birch along the shoreline and red maples inland. Kerri Westenberg, Star Tribune, "Where to go in Minnesota to enjoy the fullest of fall colors," 11 Sep. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'aspen.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of aspen


1593, in the meaning defined above

History and Etymology for aspen


Middle English, of an aspen, from asp aspen, from Old English æspe; akin to Old High German aspa aspen, Russian osina

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Time Traveler for aspen

Time Traveler

The first known use of aspen was in 1593

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Cite this Entry

“Aspen.” Dictionary, Merriam-Webster, Accessed 16 Jan. 2021.

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More Definitions for aspen


How to pronounce Aspen (audio)

English Language Learners Definition of aspen

: a kind of tree whose leaves move easily when the wind blows


as·​pen | \ ˈa-spən How to pronounce aspen (audio) \

Kids Definition of aspen

: a poplar tree whose leaves move easily in the breeze

More from Merriam-Webster on aspen

Nglish: Translation of aspen for Spanish Speakers Encyclopedia article about aspen

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