treillage
/trɛɪˈlɑːʒ/ or /trɛɪˈlɑːʒ/ (tre-uh-lahzh)
Definitions
1. noun
an ornamental framework of wood, metal, or other material used to support climbing plants, such as roses, or to add a decorative element to a wall or other surface.
“The treillage added a beautiful, rustic touch to the garden wall.”