1. [adjective] (astrology) Pertaining to the astrological influence of the planet Mars; aggressive, bellicose. [from 14th c.]
2. [adjective] (obsolete) Pertaining to war or battle; military. [15th-17th c.]
3. [adjective] Of or relating to the planet Mars or its imagined inhabitants. [from 19th c.]
4. [noun] (science fiction) An inhabitant of the planet Mars.
5. [adjective] (astronomy) Alternative letter-case form of Martian, 'of or pertaining to the planet Mars'.
6. [noun] Imaginary people who live on the planet Mars.
7. [adjective] Of or relating to the planet Mars (or its fictional inhabitants).
