Pennsylvania German

Short definition from Wiktionary

Noun

1. 1
   A person descended from German immigrants to Pennsylvania before 1800.
2. 2
   The High German language, descending from Palatine German, which is spoken by the Pennsylvania Dutch. (Not to be confused with the Low German language Plautdietsch which is also spoken in Pennsylvania.)

Adjective

1. 1
   Relating to the Pennsylvania Germans or their language.