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T_________
Definitions
line marking the upper limit of tree growth in mountains or northern latitudes
Word origin
From timber + line.
Used in a sentence
“Most flocks in the Sierra and the Rocky Mountains live above the timber-line and at an altitude of twelve thousand feet.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer0 curated clues
No curated clues for timberline yet.