The crossword solution for the term 'Queen on Mount Olympus' is HERA, which is a four-letter word. HERA was the queen of the gods in Greek mythology and the wife of Zeus, the king of the gods. She was also known as the goddess of marriage and childbirth, and was often depicted as a beautiful woman wearing a crown and holding a royal scepter. She was believed to live on Mount Olympus, the home of the gods.