Save Type Political Subdivision Usage Portuguese (Brazilian) Pronounced Pron. [ma.ɾɐ.ˈɲɐ̃w](Brazilian Portuguese) [ma.ɾɐ.ˈj̃ɐ̃w](Brazilian Portuguese) [key·simplify] Meaning & History Of uncertain origin: it may come from Tupi mar'anhan ("running sea"), a name for the Amazon River. This is the name of a state of Brazil.