1. The god of war and husbandry.
2. (Science: astronomy) One of the planets of the solar system, the fourth in order from the sun, or the next beyond the earth, having a diameter of about 4,200 miles, a period of 687 days, and a mean distance of 141,000,000 miles. It is conspicuous for the redness of its light.
3. (Science: chemistry) The metallic element iron, the symbol of which
Origin: L. Mars, gen. Martis, archaic Mavors, gen. Mavortis.