Pennsylvania Dutch Syllabification: (Penn·syl·va·nia Dutch) (also Pennsylvania German)Definition of Pennsylvania Dutch noun 1a dialect of High German spoken in parts of Pennsylvania. 2 (as plural noun the Pennsylvania Dutch or Germans) the German-speaking inhabitants of Pennsylvania, descendants of 17th- and 18th-century Protestant immigrants from the Rhineland. Origin:Dutch from German Deutsch 'German'Pennsylvania Dutch in other Oxford dictionaries Definition of Pennsylvania Dutch in the British & World English dictionary