Pie/paɪ/ Definition 1 of 4Pro Tip 1/3Dessert Usage Pie often refers to a sweet dish served as a dessert after a meal. Would you like some pie for dessert? Pro Tip 2/3American Culture 'Pie' is a significant part of American cuisine and holidays like Thanksgiving. Pumpkin pie is traditional on Thanksgiving. Pro Tip 3/3Not Always Sweet Not all pies are sweet; they can have savory fillings like chicken or beef. She prefers a meat pie to a fruit pie.