the altitude above sea level at which timber ceases to grow.
the Arctic or Antarctic limit of tree growth.
- Also called tree line, tree·line [tree-lahyn] /ˈtriˌlaɪn/ .
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use timberline in a sentence
The town itself is located just minutes from two downhill ski resorts, Canaan Valley and timberline Mountain, and one cross-country-skiing hub, Whitegrass Ski Touring Center, all of which enjoy some 200 inches of lake-effect snow each year.
He blew across Chilcoot Pass, above timberline, in the first swirl of autumn snow.The Red One | Jack London
All have had to cross their Badlands, ride roughshod above the timberline or grab for cover to avoid a ricochet.The Land of Look Behind | Paul Cameron Brown
A little above them shone the snow line belting the giants of granite, and here the timberline spread in brown.The Red River Half-Breed | Gustave Aimard
To these timberline drifts, when fringed with flowers, the mother and the cubs sometimes came.Watched by Wild Animals | Enos A. Mills
Unfamiliar with timberline trees, two of the dogs in dodging the bears leaped into the matted growths.Watched by Wild Animals | Enos A. Mills
British Dictionary definitions for timberline
the altitudinal or latitudinal limit of normal tree growth: See also tree line
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for timberline
A geographic boundary beyond which trees cannot grow. On the Earth as a whole, the timberline is the northernmost or southernmost latitude at which trees can survive; in a mountainous region, it is the highest elevation at which trees can survive. Also called tree line
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.