arboral,a.|ˈɑːbərəl| [f. L. arbor + -al1.] Pertaining to, or of the nature of, trees; = arboreal 1. 1657Tomlinson Renou's Disp. 150 All suaveolent flowers whether herbal..or arbustal, or arboral.1867Athenæum 26 Oct. 541/3 This tree..has..very little arboral character.