From Biology-Online Dictionary | Biology-Online Dictionary


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 <male/ was the same as that of the planet mars. Mars brown, a bright, somewhat yellowish, brown.

Origin: L. Mars, gen. Martis, archaic Mavors, gen. Mavortis.