Treillages refer to an ornamental framework of intersecting pieces used for dividing and decorating partitions in gardening or architecture. The word treillage originates from the French language. The structure is often made out of wood or metal. There are a variety of synonyms that can be used to refer to this structure, including lattice, grille, grillework, latticework, interlacing, meshwork, and tracery. Lattice and latticework are perhaps the most commonly used terms used to refer to treillage. Grille and grillework are also widely used in the field of architecture. The synonyms for treillage can be useful in creating different variations of garden designs and architectural structures.