Meanings
South German; southern German (from or pertaining to southern Germany, i.e. Germany south of the river Main, or the states of Bayern and Baden-Württemberg)
die Süddeutsche Eisenbahn-Gesellschaftthe South German Railway Company
of the southern half of the German language area, i.e. the above plus Austria, Switzerland, Liechtenstein, South Tyrol, etc.
Examples
GermanEnglish
Die Pegelstände an den süddeutschen Flüssen fallen langsam.River levels in southern Germany are gradually falling.