Definition: The term "smoothbored" is a noun that refers to the process of creating a smooth, polished surface on which an object or object's parts are placed. Smoothbored is typically used in the context of machining and metalworking processes, where it involves shaping flat surfaces into a smooth, uniform shape. In this sense, "smoothbored" can be interpreted as a technique used to achieve a desired finish on a flat surface by using tools such as a lathe or a burr