[to.pi.ary] adj [L topiarius, fr. topia ornamental gardening, irreg. fr. Gk topos place] (1592): of, relating to, or being the practice or art of training, cutting, and trimming trees or shrubs into odd or ornamental shapes; also: characterized by such work
[2]topiary n, pl -ar.ies (1908) 1: topiary art or gardening; also: a topiary garden
2. a: a plant shaped by topiary art b: topiary plants