The crossword solution for the term 'Rolling Stone Lack' is MOSS, which is a four letter word. MOSS is a type of small flowerless plant that grows in clumps or mats in damp and shady locations. It is commonly found on rocks, tree trunks, and other surfaces. MOSS is often referred to as a 'Rolling Stone Lack' because it can survive in harsh environments and does not require much water or nutrients to survive.