of the planet Mars
Origin of MartianClassical Latin Martius, of Mars + -an
a being from or living on the planet Mars, as in science fiction
Of or relating to the planet Mars or its hypothetical inhabitants.
A hypothetical inhabitant of the planet Mars, especially as a stock fictional character.
Origin of MartianMiddle English marcien, from Latin Martius, from Mars, Mart-, Mars.
- (astronomy) Alternative capitalization of Martian, "of or pertaining to the planet Mars".