Definition of arboreous

• a. - Having the form, constitution, or habits, of a proper tree, in distinction from a shrub.
• a. - Pertaining to, or growing on, trees; as, arboreous moss.
• a. - Having the form, constitution, or habits, of a proper tree, in distinction from a shrub.
• a. - Pertaining to, or growing on, trees; as, arboreous moss.