I.of or pertaining to trees, tree-: “falx,” i. e. for pruning trees, Cato, R. R. 10, 3; 31, 4; Varr. R. R. 1, 22, 5: “picus,” a woodpecker, Plin. 30, 16, 53, § 47: “proventus,” Sol. 11 and 23.—Hence, arbŏrārĭa (sc. herba), ae, f., the blackivy, as growing on trees, App. Herb. 98.
arbŏrārĭus , a, um, adj. arbor (a technical form of arboreus),