to·pi·ar·y 
(tōpē-ĕr′ē)
(tōpē-ĕr′ē)adj.
Of or characterized by the clipping or trimming of live shrubs or trees into decorative shapes, as of animals.
n. pl. to·pi·ar·ies
1. Topiary work or art.
2. A topiary garden.
[Latin topiārius, from topia, ornamental gardening, from Greek topia, pl. of topion, field, diminutive of topos, place.]