topiārius, a, um, adj. topia, II., of or belonging to ornamental gardening or gardening in gen.: opus, Plin. 15, 30, 39, § 130: herba, i. e. used for borders in gardens, id. 21, 11, 39, § 68; 22, 22, 34, § 76.
— Substt.
topiārius, ii, m., an ornamental gardener, fancy gardener, Cic. Q. Fr. 3, 1, 2, § 5; Plin. 15, 29, 37, § 122; 18, 26, 65, § 242; Plin. Ep. 3, 19, 3; Inscr. Orell. 2966; 4293; cf. Becker, Gallus, 3, p. 27 (2d edit.).
— topiāria, ae, f. (sc. ars), ornamental or fancy gardening, the topiary art, i. e. that of giving fanciful forms to thickets, trees, etc., of laying out parterres. forming arbors, bowers, etc., Cic. Q. Fr. 3, 1, 2, § 5.
— topiārium, ii, n. (sc. opus), fancy gardening, topiary - work, Plin. 18, 28, 68, § 265.