tree line

noun

Definition of tree line 

Examples of tree line in a Sentence

The hikers had reached the tree line by noon.

Recent Examples on the Web

Out of Ski Bowl, on your right, at about tree line and measured at 7,920 feet, there is a route that leads 1 mile to a sparse, volcanic valley called the Gate (directly adjacent to 8,377-foot Red Butte to your right). Tom Stienstra, San Francisco Chronicle, "Joining the ‘5 Percent Club’ at Mount Shasta," 22 Feb. 2018 The cycle is expected to worsen: Loss of alpine grasslands and an advancing tree line could cut leopard habitat by 30 percent, meaning more potential for intra-species conflict. Adam Popescu, Washington Post, "Tracking one of the world’s most elusive cats," 19 May 2018 North of downtown near S.A. International Airport, the course's layout requires accurate drives since trees line all of the narrow fairways. Jerry Garcia, San Antonio Express-News, "Golf options abound in San Antonio," 11 June 2018 Yes, a motorcycle racer had high-sided into the rocks above the tree line and catastrophe-dealing mists were closing in on the summit. Dan Neil, WSJ, "Volkswagen’s All-Electric Effort to Climb Out of Its P.R. Hole," 4 July 2018 Rows of lemon trees line the hillsides, desperately stretching their limbs to the ever-shining sun. Jeff Greer, The Courier-Journal, "Heaven on earth? This Courier Journal sports writer thinks he found it," 29 June 2018 Freeblast is a climbing route on the first stretch of near-vertical rock above the tree line on El Capitan. Carlos Lozano, latimes.com, "Investigation continues into death of two climbers who fell from El Capitan in Yosemite National Park," 3 June 2018 Cars honk overhead; trucks at the Boston Sand & Gravel plant pour dusty loads from one pile to another; wind sometimes shakes the trees lining the Charles River. Amelia Nierenberg, BostonGlobe.com, "Lynch Family Skatepark offers teenagers discipline, camaraderie, freedom," 2 July 2018 The start line is already at 9,390 feet (2,862m) above sea level; the finish line is an even higher 14,110 feet (4,300m), and much of the course is above the tree line, where there's 40 percent less oxygen to breathe. Jonathan M. Gitlin, Ars Technica, "7:57:148—Volkswagen makes racing history with record-breaking electric race car," 29 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tree line.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of tree line

1893, in the meaning defined above

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Last Updated

4 Oct 2018

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The first known use of tree line was in 1893

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Britannica.com: Encyclopedia article about tree line

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