Pronunciation: (är-bôr'ē-ul, -bōr'-), [key]
1. of or pertaining to trees; treelike.
2. Also,arboreous.living in or among trees.
3. Zool.adapted for living and moving about in trees, as the limbs and skeleton of opossums, squirrels, monkeys, and apes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.