espalier

noun

1. A latticework used to shape or train the branches of a tree or shrub into a two-dimensional ornamental or useful design, as along a wall or fence.

   “The garment stalls carried the traditional blue vine-dressers' outfits, sunhats, and the great willow pitchforks grown in espalier at villages like Sauve.”

2. A plant that has been shaped in this manner.

   “It is on this rocky surface that one finds many of the growth forms associated with extreme life conditions: polsters, mat plants, espaliers.”

3. A row of plants that have been shaped in this manner.

   “Often some night-animal, hedgehog or weasel, setting out on the hunt, disturbed the lovers, or sometimes they heard a ripe peach falling all alone from the espalier.”

verb

1. To train a plant in this manner.