arboreal can be used as a adj
1. arborical, arboreal, arborary, arborous -- (of or relating to or formed by trees; "an arborous roof")
2. arboreal, arboreous, tree-living -- (inhabiting or frequenting trees; "arboreal apes")
3. arboreal, arboreous, arborescent, arboresque, arboriform, dendriform, dendroid, dendroidal, treelike, tree-shaped -- (resembling a tree in form and branching structure; "arborescent coral found off the coast of Bermuda"; "dendriform sponges")
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