tree line

American  

[tree-lahyn] / ˈtriˌlaɪn /

Or treeline

noun

1. timberline.

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tree line British  

noun

1. the zone, at high altitudes or high latitudes, beyond which no trees grow. Trees growing between the timberline and the tree line are typically stunted

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tree line Scientific  

1. See timberline

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Example Sentences

See Examples For:

tree line

Susan and her husband Geraint's home, which they have lived in for 53 years, is separated from the decommissioned Ruabon chemical works by a thin tree line.

From BBC ● Sep. 18, 2026

The old Confederates came out of the tree line and began to make their way up the long slope.

From The Wall Street Journal ● Sep. 3, 2026

Storms can brew up with terrifying speed and anyone caught above tree line is going to feel dangerously close to the action.

From Los Angeles Times ● Sep. 15, 2025

Although many of Alabama’s old-growth forests have long been cut down and replaced with trees that grow on a timeline more suitable for its logging industry, its tree line is still lush and visually impressive.

From Slate ● Aug. 31, 2025

I could bleed the engine tonight, set my alarm for 4 A.M., and be on the river before the sun was up over the tree line.

From "Red Kayak" by Priscilla Cummings