Of or pertaining to Piedmont, a region in northwestern Italy, bordering on Switzerland and France. In the modern kingdom of Italy, Piedmont is a compartimento, containing the provinces of Turin, Alessandria, Novara, and Cuneo.By extension, pertaining to any region situated at or near the foot of mountains: as, the Piedmontese districts of Virginia, North Carolina, etc.n. A native or an inhabitant of Piedmont.