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.