[{"Bold_text": "noun", "List Items": ["the ancient Roman god of war and agriculture, identified with the Greek god Ares.", "Astronomy.the planet fourth in order from the sun, having a diameter of 4,222 miles (6,794 km), a mean distance from the sun of 141.6 million miles (227.9 million km), a period of revolution of 686.95 days, and two moons."]}, {"Bold_text": "adjective", "List Items": ["(often lowercase)of or relating to any of various pigments used in painting that are artificially made from an iron oxide base:Mars color; Mars pigments."]}]