Cratings are grids or frameworks made of wood or metal that are used to cover or protect something. There are several synonyms for the word "cratings" that can be used in different contexts. One synonym is "gratings," which is commonly used to refer to metal frameworks used as flooring or covers for drains and vents. Another synonym is "gridwork," which refers to any arrangement of parallel lines or bars crossing each other. The word "mesh," which refers to a network of thread, wire, or rope, is also a synonym for "cratings." Finally, the word "lattice" refers to a structure made of crossed strips of wood or metal, often used as a decorative element in fencing or windows.