1. of or relating to or formed by trees
同義詞:arborical, arborary, arborous
2. inhabiting or frequenting trees
同義詞:arboreous, tree-living
3. resembling a tree in form and branching structure
同義詞:arboreous, arborescent, arboresque, arboriform, dendriform, dendroid, dendroidal, treelike, tree-shaped