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

Investigators allege that Roper threw Erving's clothing into a tree line near the bridge, and that the juvenile threw Erving's cellphone from the vehicle after Roper told him to do so. — Deena Zaru, ABC News, 14 July 2026

As a result, the car veered off the road into a ditch, striking a delineator post and continuing into a tree line. — Robert A. Cronkleton, Kansas City Star, 27 June 2026

Crossing over the Continental Divide (following a similar route Native Americans once took), visitors might see elk, deer, and bighorn sheep above the tree line in the dramatic tundra. — Sarah Rose, Travel + Leisure, 25 June 2026

The astrophotographer also framed the meteor with the tree line, the telescopes, and a fantastical backdrop of the night sky. — Chelsea Gohd, Space.com, 5 June 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