Of or relating to the planet Mars, or (science fiction) its imagined inhabitants. / (astrology) Pertaining to the astrological influence of the planet Mars; aggressive, bellicose.

(astrology) A person under the astrological influence of the planet Mars. / (chiefly science fiction) An inhabitant of the planet Mars.

(science fiction) A hypothetical language spoken on Mars.

Alternative form of Martello

A male given name from Latin originally given in honor of a fourth century soldier-saint. / A surname originating as a patronymic.

(nonstandard) Alternative letter-case form of Martian (“of or pertaining to the planet Mars”).

Alternative form of Martian packet

A male given name from Latin, narrowly applied to certain historic persons (but some of its foreign cognates are modern given names).

(astronomy, obsolete) Alternative letter-case form of martial (“of or relating to the planet Mars”)

(chiefly science fiction, obsolete) Alternative letter-case form of martial (“inhabitant of the planet Mars; Martian”)