WordNet Dictionary- [n] a German nobleman ranking above a count (corresponding in rank to a British marquess)
- [n] the military governor of a frontier province in medieval Germany
Webster's 1913 Dictionary\Mar"grave\, n. [G. markgraf, prop., lord chief justice
of the march; mark bound, border, march + graf earl, count,
lord chief justice; cf. Goth. gagr["e]fts decree: cf. D.
markgraaf, F. margrave. See {March} border, and cf.
{Landgrave}, {Graff}.]
1. Originally, a lord or keeper of the borders or marches in
Germany.
2. The English equivalent of the German title of nobility,
markgraf; a marquis.