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

Authorities have been limiting access to more areas of Etna, including the upper slopes where there is little shelter above the tree line, because of the increased volcanic activity.

From BBC ● Aug. 17, 2026

Soon, he said, three pursuing New York State Police troopers emerged from the tree line and arrested seven juveniles.

From The Wall Street Journal ● Jul. 7, 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

When they were at the tree line, Bud hugged Henry.

From "Out of Darkness" by Ashley Hope Pérez