a. [f. L. arbor tree + -OUS.] Of, belonging to, or consisting of trees.
1667. Milton, P. L., V. 137. From under shadie arborous roof.
1796. Coleridge, To G. Coleridge. Old boughs, That hang above us in an arborous roof.
1881. Athenæum, 25 June, 854. The floral and arborous forms.
