An Encylopedia Britannica Company

timberline

1 ENTRIES FOUND:
timberline /ˈtɪmbɚˌlaɪn/ noun
plural timberlines
timberline
/ˈtɪmbɚˌlaɪn/
noun
plural timberlines
Britannica Dictionary definition of TIMBERLINE
[singular]
: an imaginary line on a mountain or high area of land that marks the level above which trees do not grow
called also tree line