noun
Definition: A type of tree or shrub that is shaped to grow flat against a wall or support, often in a neat and organized way.
Example: The gardener decided to plant an espalier along the garden wall to save space and create a beautiful display.
transitive verb
Definition: To train a plant to grow flat against a support, usually a wall or a frame, in a specific shape.
Example: The gardener decided to espalier the apple trees along the fence to save space in the garden.