noun. ['ˈtɪmbɝˌlaɪn'] line marking the upper limit of tree growth in mountains or northern latitudes.
- timber line
- natural object
- straight line
Words that Rhyme with Timberline
Example sentences of the word timberline
Trees may show similar form as those timberline veterans in other stressed environments.
2. Noun, singular or mass
The Engelmann spruce grows as high as the timberline.