The term 'Gold Bug' is a reference to the short story by Edgar Allan Poe, which was first published in 1843. The story follows a man who discovers a small insect-like creature that is made of gold. The creature leads him to a hidden treasure, and the story has since become a classic of American literature. The crossword solution for the term 'Gold Bug' is 'MIDAS', which is a reference to the mythical King Midas, who had the power to turn anything he touched into gold.