Try Our Apps


90s Slang You Should Know


[tim-ber-lahyn] /ˈtɪm bərˌlaɪn/
the altitude above sea level at which timber ceases to grow.
the arctic or antarctic limit of tree growth.
Also called tree line, treeline [tree-lahyn] /ˈtriˌlaɪn/ (Show IPA).
Origin of timberline
An Americanism dating back to 1865-70; timber + line1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for timberline
Historical Examples
  • Meadows, little strips of alpine freshness, begin before the timberline is reached.

  • Already weak, they did not get down to timberline the first day.

    Watched by Wild Animals Enos A. Mills
  • The territory dominated by old “timberline” had an area of about eighty square miles.

    The Grizzly Enos A. Mills
  • Beech trees appear at all elevations between 3,000 feet and the timberline.

    Area Handbook for Albania Eugene K. Keefe
  • I was so near that with my field-glasses I recognized him as “Old timberline,” a bear with two right front toes missing.

    The Grizzly Enos A. Mills
  • In this varied and extensive region old "timberline" had all the necessities of life and many of the luxuries of beardom.

    The Grizzly Enos A. Mills
  • Out of the worst of the wind, they skied easily back down towards the timberline.

    The Thirst Quenchers Rick Raphael
  • Here, close to timberline, the watershed between the two oceans is again crossed.

    Rocky Mountain [Colorado] National Park United States Dept. of the Interior
  • Old timberline started down into a caon as though to descend a gully diagonally to the bottom.

    The Grizzly Enos A. Mills
  • 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
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
Cite This Source
Word Origin and History for timberline

1867, from timber + line (n.).

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
timberline in Science
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 © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for timberline

Few English speakers likely know this word

Word Value for timberline

Scrabble Words With Friends

Nearby words for timberline