Banana/bəˈnænə/ Definition 1 of 5Pro Tip 1/3Common Fruit Banana refers to the edible fruit that's very common worldwide, often eaten raw. She added slices of banana to her cereal. Pro Tip 2/3Yellow When Ripe Bananas are green before they ripen. They turn yellow when ready to eat. Wait until the banana turns yellow to enjoy its sweetness. Pro Tip 3/3Peel Before Eating Always peel off the outer skin of a banana before eating the soft flesh inside. She peeled the banana from the top down.