What does "Arboreal" mean?
(a.) Attached to, found in or upon, or frequenting, woods or trees; as, arboreal animals (a.) Of or pertaining to a tree, or to trees; of nature of trees
arborescent, arborous, dendroid, branchy, arboreous, dendroidal, dendriform, arborical, treelike, arborary, arboriform, tree-shaped, arboresque, tree-living
Example: "Arboreal apes"