Definition of "Balt"

An ethnic descendant of the Indo-European Baltic people, especially including ethnic Lithuanians, Latvians or Prussians, but generally not including ethnic Belarusians, Estonians, Germans, Jews, Livonians, Poles, Russians, Swedes or Tatars who have also inhabited or currently inhabit the modern Baltic states.  examples

A native speaker of one of the Baltic languages: Lithuanian, Latvian, Old Prussian, Sudovian and related languages.  examples

(rare) An inhabitant of one of the modern Baltic states: Lithuania, Latvia or Estonia.