Search Result for "tree_line":
Wordnet 3.0

NOUN (1)

1. line marking the upper limit of tree growth in mountains or northern latitudes;
[syn: timber line, timberline, tree line]



WordNet (r) 3.0 (2006):

tree line
    n 1: line marking the upper limit of tree growth in mountains or
         northern latitudes [syn: timber line, timberline, tree
         line]