DCHP-2

treeline DCHP-1 (pre-1967)

• 1 n.

  on a mountain, the line beyond which trees do not grow.

  See also: timber line (def. 1)  

• 2 n.

  the line north of which trees do not grow; the line where the Barrens begin.

  See also: timber line (def. 2)