The crossword solutions for the term STONE/ICE are AGES, which is a four-letter word. AGES is a noun that refers to a long and indefinite period of time, typically measured in years or centuries. It is often used to refer to a period of history or a particular stage of development. For example, the Stone Age was a prehistoric period during which humans used stone tools and weapons, while the Ice Age was a period of global cooling that began around 2.6 million years ago.