Multigrain refers to a type of bread or cereal that is made from multiple grains, rather than just one. This can include various types of wheat, rye, oats, barley and other grains, which are blended together to create a nutritious and flavorful product. The term "multigrain" is often used as a marketing tool to indicate that the food contains several different types of whole grains, which can provide additional health benefits compared to products made from refined grains.