tree line

noun

Examples of tree line in a Sentence

The hikers had reached the tree line by noon.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
These typically include high-mountain zones above tree line, alpine environments inhabited by delicate and slow-growing flora, and deserts and other arid places characterized by low soil moisture. B. Derrick Taff, The Conversation, 29 Aug. 2025 Hikers reported smoke above Mills and Jewel Lakes close to the tree line on Sunday. Anna Skinner, MSNBC Newsweek, 25 Aug. 2025 The valley of Morteratsch, where the glacier used to fill it until the tree line on the sides. Molly Hunter, NBC news, 19 Aug. 2025 Sun slanting through tree line. AFAR Media, 7 Aug. 2025 See All Example Sentences for tree line

Word History

First Known Use

1893, in the meaning defined above

Time Traveler
The first known use of tree line was in 1893

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Cite this Entry

“Tree line.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tree%20line. Accessed 8 Sep. 2025.

Kids Definition

tree line

noun

More from Merriam-Webster on tree line

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