timberline: Meaning and Definition of

tim•ber•line

Pronunciation: (tim'bur-līn"), [key]
— n.
  1. the altitude above sea level at which timber ceases to grow.
  2. the arctic or antarctic limit of tree growth. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: