Pennsylvania DutchPronunciation: /pɛnsɪlveɪniəˈdʌtʃ/ (also Pennsylvania German)Definition of Pennsylvania Dutch noun [mass noun] a dialect of High German spoken in parts of Pennsylvania, chiefly by descendants of 17th- and 18th-century Protestant immigrants. Origin:Dutch from German Deutsch 'German'Pennsylvania Dutch in other Oxford dictionaries Definition of Pennsylvania Dutch in the US English dictionary