Martian

adj. of or pertaining to the planet Mars

n. hypothetical inhabitant of mars, any extraterrestrial being

This article is about hypothetical native inhabitants of the planet Mars. For other uses, see Martian (disambiguation). As an adjective, the term "martian" is used to describe anything pertaining to the planet Mars.However, a Martian is more usually a hypothetical or fictional native inhabitant of the planet Mars. Historically, life on Mars has often been hypothesized, although there is currently no solid evidence of life there at present. Some scientists have theorized that there is meteorite evidence of fossilised microbes.
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Noun
1. imaginary people who live on the planet Mars
(hypernym) imaginary being, imaginary creature
Adjective
1. of or relating to the planet Mars (or its fictional inhabitants)
(pertainym) Mars, Red Planet

Packets that turn up unexpectedly on the wrong network because of bogus routing entries. Also a packet which has an altogether bogus (non-registered or ill-formed) internet address, such as the test loopback interface [127.0.0.1]. Such a packet will come back labelled with a source address that is clearly not of this earth. "The domain server is getting lots of packets from Mars. Does that gateway have a martian filter?"
[Jargon File]

Martian
inhabitant of Mars