Mars also mars

1. The 4th planet from the sun. The planet is always capitalized. Often Mars is referred to as the red planet.
2. (Roman mythology) Roman god of war and agriculture; father of Romulus and Remus; counterpart of Greek Ares. Mars was the Roman god of war and also an agricultural guardian.
3. To inflict damage, especially disfiguring damage, on. Carelessly throwing things on a table often mars the surface.