DCHP-1 Online
treeline 
1 n. on a mountain, the line beyond which trees do not grow.
See also: timber line (def. 1)
- 1905 Although several attempts have been made before to scale its mighty height of over two miles, the highest point ever reached before was the tree line. . . .
- 1952 The tree-line varies in the Coast Forest, but is reached at about 5,000 feet in the south and 4,000 feet in the north.
- 1958 They were staying . . . not far from the tree-line
2 n. the line north of which trees do not grow; the line where the Barrens begin.
See also: timber line (def. 2)
- 1942 No one had described the inland conditions of Ungava at the tree-line after snow fall.
- 1965 Ontario south of the treeline and along the coasts of Hudson Bay and James Bay is thinly settled by the Indians who call themselves OmooskekowakÂpeople of the Muskeg, or Swampy Cree.
- 1905 Although several attempts have been made before to scale its mighty height of over two miles, the highest point ever reached before was the tree line. . . .