Poppy/ˈpɑːpi/ Definition 1 of 4Pro Tip 1/2Flower Variety Poppy refers to numerous species, often with distinct colors beyond the common red. The California poppy has a beautiful orange color. Pro Tip 2/2Cooking Ingredient Poppy seeds are edible and used in baking, like on bagels and in muffins. She sprinkled poppy seeds on top of the lemon cake.