Arboreous \Ar*bo"re*ous\, a. [L. arboreous, fr. arbor tree.]

1. Having the form, constitution, or habits, of a proper tree, in distinction from a shrub. --Loudon. [1913 Webster]

2. Pertaining to, or growing on, trees; as, arboreous moss. --Quincy. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

arboreous adj
1: inhabiting or frequenting trees; "arboreal apes" [syn: arboreal, tree-living] [ant: nonarboreal]
2: abounding in trees; "an arboreous landscape"; "violets in woodsy shady spots"; "a woody area near the highway" [syn: arboraceous, woodsy, woody]
3: resembling a tree in form and branching structure; "arborescent coral found off the coast of Bermuda"; "dendriform sponges" [syn: arboreal, arborescent, arboresque, arboriform, dendriform, dendroid, dendroidal, treelike, tree-shaped]

Source: WordNet (r) 2.0
 

Arboreous \Ar*bo"re*ous\, a. [L. arboreous, fr. arbor tree.]

1. Having the form, constitution, or habits, of a proper tree, in distinction from a shrub. --Loudon.

2. Pertaining to, or growing on, trees; as, arboreous moss. --Quincy.

Source: Webster's Revised Unabridged Dictionary (1913)