adj. & n.
--adj. concerned with or formed by clipping shrubs, trees, etc. into ornamental shapes.
--n. (pl. -ies)
1. topiary art.
2 an example of this.
Derivatives:
topiarian adj. topiarist n.
Etymology: F topiaire f. L topiarius landscape-gardener f. topia opera fancy gardening f. Gk topia pl. dimin. of topos place