Arboreal
Pronunciation : Ar*bo"re*al
Part of Speech : a.
Definition : 1. Of or pertaining to a tree, or to trees; of nature of trees. Cowley.
2. Attached to, found in or upon, or frequenting, woods or trees; as, arboreal animals. Woodpeckers are eminently arboreal. Darwin.
Source : Webster's Unabridged Dictionary, 1913