The term 'Rusted Away' can be summarized by the crossword solution 'Eroded'. Eroded is a term used to describe the gradual wearing away of a surface, usually caused by wind, water, or other natural elements. In this case, the term 'Rusted Away' is referring to the process of rusting, which is a form of corrosion that occurs when metal is exposed to oxygen and moisture. Rusting can cause metal to become weak and brittle, eventually leading to it eroding away.