Walnut/ˈwɔːlnʌt/ Definition 1 of 3Pro Tip 1/3Edible Nut Walnuts can be eaten and are commonly found in desserts and salads. She sprinkled chopped walnuts on her yogurt. Pro Tip 2/3Health Benefits Walnuts are known for being nutritious, offering heart and brain benefits. My doctor recommended adding walnuts to my diet. Pro Tip 3/3Culinary Use Walnuts are used as flavor and crunch in both sweet and savory dishes. He topped the baked brie with caramelized walnuts.