arboreous

1. (obsolete) Growing on trees.Examples: "And those fruites whiche Galene calleth arboreous, are those growing vppon trees."; "Mushromes are either terrestrial, which grow out of the earth, or arboreous, which adhere to the stocks of trees;"obsolete

2. (obsolete, anatomy) Having a tree-like, branching structure.Examples: "The arboreous ramification of the Meditallium of the Cerebellum appearing, being cut right downwards."; "1698, William Cowper, The Anatomy of Humane Bodies, Oxford: S. Smith and B. Walford, Table 56, […] [the] Internal Concave Surface [of the Placenta Uterina] next the Amnios, Appears Cover’d with the Chorion; under which the Arboreous Disposition of its Blood-Vessels are elegantly Exprest."Synonyms: dendriticobsolete