[{"Bold_text": "noun", "List Items": ["Astronomy.the Dog Star, the brightest-appearing star in the heavens, located in the constellation Canis Major.", "Also Sir·i·us.Classical Mythology.the dog of Orion.Icarius' faithful dog, who was changed into a star.", "the dog of Orion.", "Icarius' faithful dog, who was changed into a star."]}]