Definition of "Martial"

Martial

/ˈmɑːʃəl/

proper noun
1. A male given name from Latin, narrowly applied to certain historic persons (but some of its foreign cognates are modern given names).
2. An Anglicized cognomen or given name of the Roman poet Marcus Valerius Martialis, born in Spain in the first century AD and noted for his epigrams.
adjective
not comparable
1. (astronomy, obsolete) Alternative letter-case form of martial (“of or relating to the planet Mars”)
  Quotations
  For, having found out by a careful series of observations, the parts of Mars' orbit where the planet entered upon its various seasons, he [William Herschel] noted that, soon after mid-winter of the northern hemisphere, the northern white spot attained its greatest dimensions, while the southern was reduced to a tiny oval of light; whereas half a Martial year later, the southern spot was at its largest, and the northern a mere speck when compared with its winter appearance.
  1869 February 6, “The Planet of War”, in E[neas] S[weetland] Dallas, editor, Once a Week, volume III, number 58 (New Series), London: Bradbury, Evans, and Co. […], page 74, column 1
noun
plural Martials
1. (chiefly science fiction, obsolete) Alternative letter-case form of martial (“inhabitant of the planet Mars; Martian”)
  Quotations
  The Martials, if there be Martials in any sense in which there are terrestrials on our own planet, may have no eyes at all; their whole civilisation, if they have say, may depend on senses of which we have absolutely no trace, […]
  1892, The Spectator: A Weekly Review of Politics, Literature, Theology, and Art, volume LXIX, London: F. C. Westley, page 218, column 2