tree line

noun

: timberline

Examples of tree line in a Sentence

The hikers had reached the tree line by noon.

Recent Examples on the Web

Scott also admitted to shooting Palmer and dragging his body away from the trail into an overgrown area near a tree line. — Ben Wheeler, Kansas City Star, 3 Sep. 2026

The city is also considering protections for the property’s view from Eagle Road, including restrictions on tall fences, dense tree lines and other structures that could obstruct the house. — Noah Daly august 27, Idaho Statesman, 27 Aug. 2026

As leaf-peeping season is set to begin, fall foliage will turn the canvas of Connecticut’s tree line into an array of red, orange and yellow leaves. — Stephen Underwood, Hartford Courant, 24 Aug. 2026

Similar movements are now evident in the Alps, with the tree line of pine and hardwoods moving up mountainsides to places once covered by ice. — Literary Hub, 20 Aug. 2026

Word History

First Known Use

1893, in the meaning defined above

Rhymes for tree line

• affine
• airline
• align
• aline
• assign
• baseline
• beamline
• benign
• bloodline
• bovine
• brucine
• byline

Kids Definition

tree line

noun

: timberline