The crossword solution for the term PART OF A BANANA is PEEL, which is a four-letter word. The PEEL of a banana is the outermost layer of the fruit, which is usually yellow or brown in color. It is edible and can be eaten raw or cooked. The PEEL also provides protection to the inner flesh of the banana from pests and other environmental factors. The PEEL is also rich in nutrients, such as potassium, magnesium, and fiber.