Mars (?), n. [L. Mars, gen.
Martis, archaic Mavors, gen. Mavortis.]
1. (Rom. Myth.) The god of war and
husbandry.
2. (Astron.) 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. (Alchemy) The metallic element
iron, the symbol of which ♂ was the same as that of the planet
Mars. [Archaic] Chaucer.
Mars brown, a bright, somewhat yellowish,
brown.