The crossword solution for the term 'Plane or Level' is TOOL. A TOOL is an object used to perform a task, such as cutting, shaping, or drilling. Tools are often used in construction, manufacturing, and other industries. They can be powered by electricity, air, or manual labor. Common tools include saws, hammers, screwdrivers, and wrenches. In the context of plane or level, a TOOL is used to ensure that surfaces are even and level.