batten
In French, a narrow strip of wood used to cover and seal a joint or crack. 2. A length of metal pipe hung from the gridiron, for suspending scenery or equipment, as drop scenes, flats, or lighting units. Also called pipe batten. 3. A small board or strip of wood used for various building purposes, as to cover joints between boards, support shingles or roofing tiles, or provide a base for lathing. From French, baton; and from Latin, bastum, for “stick.” (Kremer, 2023)