topiary
noun /ˈtəʊpiəri/
  /ˈtəʊpieri/
 [uncountable]- the art of cutting bushes into shapes such as birds or animalsTopics Hobbiesc2Word Originlate 16th cent.: from French topiaire, from Latin topiarius ‘ornamental gardener’, from topia opera ‘fancy gardening’, from a diminutive of Greek topos ‘place’.